Washington County is one of 36 counties in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

Oregon Oregon () is a state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho. T ...

and part of the

Portland metropolitan area The Portland metropolitan area is a metro area in the U.S. states of Oregon and Washington centered on the principal city of Portland, Oregon. The U.S. Office of Management and Budget (OMB) identifies it as the Portland–Vancouver–Hillsboro, ...

. The 2020 census recorded the population as 600,372, making it the second most populous county in the state and most populous "Washington County" in the United States. Hillsboro is the

county seat A county seat is an administrative center, seat of government, or capital city of a county or civil parish. The term is in use in Canada, China, Hungary, Romania, Taiwan, and the United States. The equivalent term shire town is used in the US st ...

and largest city, while other major cities include Beaverton, Tigard, Cornelius,

Banks A bank is a financial institution that accepts deposits from the public and creates a demand deposit while simultaneously making loans. Lending activities can be directly performed by the bank or indirectly through capital markets. Becaus ...

, Gaston, Sherwood, North Plains, and Forest Grove, the county's oldest city. Originally named Twality when created in 1843, the

Oregon Territorial Legislature Oregon's Territorial Legislature was a bicameral legislative body created by the United States Congress in 1848 as the legislative branch of the government of the Oregon Territory. The upper chamber Council and lower chamber House of Representati ...

renamed it for the nation's first president in 1849 and included the entire northwest corner of Oregon before new counties were created in 1854. The

Tualatin River The Tualatin River is a tributary of the Willamette River in Oregon in the United States. The river is about long, and it drains a fertile farming region called the Tualatin Valley southwest and west of Portland at the northwest corner of the W ...

and its drainage basin lie almost entirely within the county, which shares its boundaries with the

Tualatin Valley The Tualatin Valley is a farming and suburban region southwest of Portland, Oregon in the United States. The valley is formed by the meandering Tualatin River, a tributary of the Willamette River at the northwest corner of the Willamette Valley, ...

. It is bordered on the west and north by the

Northern Oregon Coast Range The Northern Oregon Coast Range is the northern section of the Oregon Coast Range, in the Pacific Coast Ranges physiographic region, located in the northwest portion of the state of Oregon, United States. This section of the mountain range, part ...

, on the south by the Chehalem Mountains, and on the north and east by the

Tualatin Mountains The Tualatin Mountains (also known as the West Hills or Southwest Hills of Portland) are a range on the western border of Multnomah County, Oregon, United States. A spur of the Northern Oregon Coast Range, they separate the Tualatin Basin of Was ...

, or West Hills. Major roads include sections of

Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Californi ...

and 205, the Sunset Highway,

Oregon Route 217 Oregon Route 217 is an Oregon state highway which serves the western suburbs of Portland. OR 217 is a controlled-access highway which connects U.S. Route 26 with Interstate 5. OR 217 consists of the Beaverton-Tigard Highway 144 (see Oregon h ...

, 47, 10, 6 and 8. Public transportation is primarily operated by

TriMet TriMet, formally known as the Tri-County Metropolitan Transportation District of Oregon, is a public agency that operates mass transit in a region that spans most of the Portland metropolitan area in the U.S. state of Oregon. Created in 1969 ...

and includes buses, the

Westside Express Service The Westside Express Service (WES) is a commuter rail line serving part of the Portland metropolitan area's Washington County and a small portion of Clackamas County in the U.S. state of Oregon. Owned by TriMet and operated by Portland & Wester ...

commuter rail, and

MAX Light Rail The Metropolitan Area Express (MAX) is a light rail system serving the Portland metropolitan area in the U.S. state of Oregon. Owned and operated by TriMet, it consists of five color-designated lines that altogether connect the six sectio ...

. Other transportation includes air travel at

Hillsboro Airport Hillsboro Airport , also known as Portland–Hillsboro Airport, is a corporate, general aviation and flight-training airport serving the city of Hillsboro, in Washington County, Oregon, United States. It is one of three airports in the Portland, ...

, private airfields and heliports, and heavy rail cargo on rail lines.

History

Washington County Jail - Hillsboro, Oregon

The

Provisional Legislature of Oregon The Provisional Legislature of Oregon was the single-chamber legislative body of the Provisional Government of Oregon. It served the Oregon Country of the Pacific Northwest of North America from 1843 until early 1849 at a time when no country had ...

created the county as Twality District on July 5, 1843. Twality was one of the original four districts of the

Provisional Government of Oregon The Provisional Government of Oregon was a popularly elected settler government created in the Oregon Country, in the Pacific Northwest region of North America. Its formation had been advanced at the Champoeg Meetings since February 17, 1841, ...

in Oregon Country along with Clackamas, Champooick (later

Marion Marion may refer to: People *Marion (given name) *Marion (surname) *Marion Silva Fernandes, Brazilian footballer known simply as "Marion" *Marion (singer), Filipino singer-songwriter and pianist Marion Aunor (born 1992) Places Antarctica * Mario ...

), and Yamhill counties. Columbia, later known as Hillsboro, was selected as the county seat in 1850. Washington County lost significant portions of its original area when Columbia and Multnomah counties were created in 1854. The county area was increased by in 2014 when a section of Multnomah County was attached to Washington. The area was returned to Washington County to allow for property development. The construction of Canyon Road to Beaverton helped Portland to consolidate its position as the primary port of Oregon, and defeat the rival efforts of settlements such as Oregon City and Milwaukie. In November 2004, the County and the City of Beaverton agreed to a plan where the city would annex both unincorporated residential neighborhoods as well as high-value areas of land. This would result with Cedar Hills,

Garden Home A garden is a planned space, usually outdoors, set aside for the cultivation, display, and enjoyment of plants and other forms of nature. The single feature identifying even the wildest wild garden is ''control''. The garden can incorporate bot ...

, Raleigh Hills, West Slope being incorporated by 2010, and the communities of Aloha,

Bethany Bethany ( grc-gre, Βηθανία,Murphy-O'Connor, 2008, p152/ref> Syriac: ܒܝܬ ܥܢܝܐ ''Bēṯ ʿAnyā'') or what is locally known as Al-Eizariya or al-Azariya ( ar, العيزرية, " laceof Lazarus"), is a Palestinian town in the West B ...

, and Cedar Mill at some point after that. Those plans have since been put on hold after Beaverton attempted to annex

Nike, Inc. Nike, Inc. ( or ) is an American multinational corporation that is engaged in the design, development, manufacturing, and worldwide marketing and sales of footwear, apparel, equipment, accessories, and services. The company is headquartered ne ...

's World Headquarters, which would have increased Nike's taxes substantially. Nike successfully lobbied the legislature for a law that would prohibit their annexation for 99 years. Since that decision, annexation plans have been halted, and Washington County started urban planning to provide city-level services to the unincorporated urban areas in the county.

Geography

According to the

United States Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of t ...

, the county has a total area of , of which is land and (0.3%) is water. It is located approximately to the west of Portland. The Portland Metro

Urban Growth Boundary An urban growth boundary, or UGB, is a regional boundary, set in an attempt to control urban sprawl by, in its simplest form, mandating that the area inside the boundary be used for urban development and the area outside be preserved in its natural ...

(UGB) bisects the county. The county's highest point is

South Saddle Mountain South Saddle Mountain is the tallest mountain in Washington County, Oregon, United States. Part of the Oregon Coast Range, the peak is located in the Tillamook State Forest in the northwest section of the state of Oregon. It is the eighth-highest ...

at 3,464 feet (1,056 m) above

sea level Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardise ...

in the

. Most of the county is in the

, formed by the

to the east and north, the Chehalem Mountains to the south, and the Northern Oregon Coast Range to the west and north. The

, located almost entriely within the county, flows through the

Tualatin Plains The Tualatin Plains are a prairie area in central Washington County, Oregon, United States. Located around the Hillsboro and Forest Grove areas, the plains were first inhabited by the Atfalati band of the Kalapuya group of Native Americans. Euro ...

. The northern and western portions of the county are forested, while the remainder of the county includes urban areas, agricultural lands, and floodplains.

Waterways

The Tualatin River is the main river in Washington County. Henry Hagg Lake, southwest of Forest Grove, is the largest lake. The Willamette River lies to the east, the Columbia River to the northeast, and the Pacific Ocean to the west of the county.

Adjacent counties

* Clatsop County - northwest * Columbia County - north *

Multnomah County Multnomah County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the county's population was 815,428. Multnomah County is part of the Portland–Vancouver– Hillsboro, OR–WA Metropolitan Statistical Area. Th ...

- east *

Clackamas County Clackamas County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 421,401, making it Oregon's third-most populous county. Its county seat is Oregon City. The county was named after the Native ...

- southeast * Yamhill County - south * Tillamook County - west

Major highways

(freeway) * I-205

Interstate 205 Interstate 205 may refer to either of two unconnected Interstate Highways in the United States, both of which are related to Interstate 5 * Interstate 205 (California), a connector in the San Francisco Bay Area * Interstate 205 (Oregon–Washing ...

(freeway) * US 26

U.S. Route 26 U.S. Route 26 (US 26) is an east–west United States highway that runs from Seaside, Oregon to Ogallala, Nebraska. When the U.S. highway system was first defined, it was limited to Nebraska and Wyoming; by the 1950s, it continued into Idaho and ...

(freeway for part) * OR 6

Oregon Route 6 Oregon Route 6 is a state highway in the U.S. state of Oregon that runs between the city of Tillamook on the Oregon Coast, to the Willamette Valley, near Banks. OR 6 traverses the Wilson River Highway No. 37 of the Oregon state highway s ...

Oregon Route 8 Oregon Route 8, also known as Oregon Highway 8, is an Oregon state highway which serves the western suburbs of Portland. The road is locally known as Canyon Road and Tualatin Valley Highway, and travels through the center of the Tualatin Valley ...

Oregon Route 10 Oregon Route 10 is an Oregon state highway which serves Portland and some of its western suburbs. Route description OR 10 begins as Naito Parkway in Downtown Portland starting where Naito Parkway interchanges with U.S. Route 26. It heads sou ...

Oregon Route 47 * OR 99W

Oregon Route 99W Oregon Route 99W is a state-numbered route in Oregon, United States, that runs from OR 99 and OR 99E in Junction City north to I-5 in southwestern Portland. Some signage continues it north to US 26 near downtown, but most signage agrees with ...

Oregon Route 210 Oregon Route 210 (also known as Scholls Ferry Road, or, more formally, the Scholls Highway No. 143 (see Oregon highways and routes)) is a state highway which runs between the community of Scholls, Oregon and the Raleigh Hills neighborhood west ...

(freeway) * OR 219

Oregon Route 219 Oregon Route 219 (also known as part of the Hillsboro-Silverton Highway No. 140 (see Oregon highways and routes)) is an Oregon state highway which runs between the cities of Hillsboro and Woodburn, Oregon, in the United States. The Hillsboro-Sil ...

National protected areas

* Tualatin River National Wildlife Refuge (part)

Demographics

2000 census

As of the 2000 census, there were 445,342 people, 169,162 households, and 114,015 families in the county. The

population density Population density (in agriculture: Stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical ...

was 615/sqmi (238/km²). There were 178,913 housing units at an average density of 247/sqmi (95/km²). The racial makeup of the county was 82.19%

White White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White o ...

, 1.15%

Black Black is a color which results from the absence or complete absorption of visible light. It is an achromatic color, without hue, like white and grey. It is often used symbolically or figuratively to represent darkness. Black and white ...

African American African Americans (also referred to as Black Americans and Afro-Americans) are an ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American" generally denotes descendants of ens ...

, 0.65% Native American, 6.68% Asian, 0.30%

Pacific Islander Pacific Islanders, Pasifika, Pasefika, or rarely Pacificers are the peoples of the Pacific Islands. As an ethnic/racial term, it is used to describe the original peoples—inhabitants and diasporas—of any of the three major subregions of O ...

, 5.86% from

other races Other often refers to: * Other (philosophy), a concept in psychology and philosophy Other or The Other may also refer to: Film and television * ''The Other'' (1913 film), a German silent film directed by Max Mack * ''The Other'' (1930 film), a ...

, and 3.17% from two or more races. 11.17% of the population were

Hispanic The term ''Hispanic'' ( es, hispano) refers to people, cultures, or countries related to Spain, the Spanish language, or Hispanidad. The term commonly applies to countries with a cultural and historical link to Spain and to viceroyalties forme ...

Latino Latino or Latinos most often refers to: * Latino (demonym), a term used in the United States for people with cultural ties to Latin America * Hispanic and Latino Americans in the United States * The people or cultures of Latin America; ** Latin A ...

of any race. 17.2% were of

German German(s) may refer to: * Germany (of or related to) ** Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

, 9.9%

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...

, 8.2%

Irish Irish may refer to: Common meanings * Someone or something of, from, or related to: ** Ireland, an island situated off the north-western coast of continental Europe ***Éire, Irish language name for the isle ** Northern Ireland, a constituent unit ...

, and 6.7% American ancestry. 81.7% spoke only English at home, while 9.6% spoke Spanish and 1.2% Vietnamese. There were 169,162 households, out of which 35.60% had children under the age of 18 living with them, 54.50% were married couples living together, 9.00% had a female householder with no husband present, and 32.60% were non-families. 24.70% of all households were made up of individuals, and 6.70% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.14. The county population contained 26.90% under the age of 18, 9.30% from 18 to 24, 34.10% from 25 to 44, 20.90% from 45 to 64, and 8.80% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 99.10 males. For every 100 females age 18 and over, there were 97.00 males. The median income for a household in the county was $52,122, and the median income for a family was $61,499. Males had a median income of $43,304 versus $31,074 for females. The

per capita income Per capita income (PCI) or total income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. It is calculated by dividing the area's total income by its total population. Per capita i ...

for the county was $24,969. About 4.90% of families and 7.40% of the population were below the

poverty line The poverty threshold, poverty limit, poverty line or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for t ...

, including 8.30% of those under age 18 and 5.30% of those age 65 or over.

2010 census

As of the 2010 census, there were 529,710 people, 200,934 households, and 134,323 families residing in the county. The population density was . There were 212,450 housing units at an average density of . The racial makeup of the county was 76.6% white, 8.6% Asian, 1.8% black or African American, 0.7% American Indian, 0.5% Pacific islander, 7.5% from other races, and 4.3% from two or more races. Those of Hispanic or Latino origin made up 15.7% of the population. In terms of ancestry, 20.8% were

, 12.4% were

, 12.1% were

, and 3.2% were American. Of the 200,934 households, 36.0% had children under the age of 18 living with them, 52.2% were married couples living together, 10.1% had a female householder with no husband present, 33.2% were non-families, and 25.1% of all households were made up of individuals. The average household size was 2.60 and the average family size was 3.14. The median age was 35.3 years. The median income for a household in the county was $62,574 and the median income for a family was $76,778. Males had a median income of $54,417 versus $40,254 for females. The per capita income for the county was $30,522. About 6.7% of families and 9.5% of the population were below the

, including 12.5% of those under age 18 and 6.7% of those age 65 or over.

Government

The county is governed by an elected board of five commissioners. The county is divided into four commissioner districts. One commissioner sits for each district, and the fifth commissioner is at-large and is the Chair of the board.

Politics

Like all of the Willamette Valley and Oregon Coast, Washington County was in its pre- Depression history strongly Republican. After Oregon achieved statehood in 1859, Washington County voted for the Republican Presidential nominee in every presidential election from 1860 to 1928, except in the 1912 presidential election when the county supported Progressive Party candidate and former Republican President,

Theodore Roosevelt Theodore Roosevelt Jr. ( ; October 27, 1858 – January 6, 1919), often referred to as Teddy or by his initials, T. R., was an American politician, statesman, soldier, conservationist, naturalist, historian, and writer who served as the 26t ...

. In 1932,

Franklin D. Roosevelt Franklin Delano Roosevelt (; ; January 30, 1882April 12, 1945), often referred to by his initials FDR, was an American politician and attorney who served as the 32nd president of the United States from 1933 until his death in 1945. As the ...

became the first Democrat to carry the Washington County vote, and he repeated this in 1936 and 1940. Between 1944 and 1988, Washington County was never won by a Democrat except in

Lyndon B. Johnson Lyndon Baines Johnson (; August 27, 1908January 22, 1973), often referred to by his initials LBJ, was an American politician who served as the 36th president of the United States from 1963 to 1969. He had previously served as the 37th vice ...

's 1964 landslide. As late as 1976, Washington County was the second-most Republican county in the state of Oregon behind remote Malheur, with Gerald Ford's 17,529 vote victory in the county being decisive in carrying the state of Oregon for him during that year's Presidential election. Since the 1990s, the increasing drift of the Republican Party nationally towards the South and evangelicalism, along with urbanization, has resulted in a strong shift of Washington County towards the Democratic Party. No Republican Presidential candidate has carried Washington County since George Bush Sr. did so in 1988, and in three of the past four Presidential elections,

Barack Obama Barack Hussein Obama II ( ; born August 4, 1961) is an American politician who served as the 44th president of the United States from 2009 to 2017. A member of the Democratic Party, Obama was the first African-American president of the ...

Hillary Clinton Hillary Diane Rodham Clinton ( Rodham; born October 26, 1947) is an American politician, diplomat, and former lawyer who served as the 67th United States Secretary of State for President Barack Obama from 2009 to 2013, as a United States sen ...

and Joe Biden have carried the county by over twenty percentage points. The last Republican to win a statewide election in Washington County was

Gordon H. Smith Gordon Harold Smith (born May 25, 1952) is an American politician, businessman, and academic administrator who served as a United States Senator from the state of Oregon. A Republican, he served two terms in the Senate from 1997 to 2009. On Septe ...

in the 2002 Senate contest. In the 2008 Senatorial election Democrat Jeff Merkley won 48.8 percent of the county's vote (111,367) while Republican incumbent Smith won 46.5 percent (106,114), but no subsequent Republican Senate candidate has won 40 percent of the county's vote. In the 2020 presidential election, Democrat Joe Biden hit 65.5% of the county's vote, the highest ever for a Democratic presidential nominee.

Statewide elections

Economy

Washington County Courthouse east facade 2015 - Hillsboro Oregon

Washington County is centered on a fertile plain that attracted farmers before the first

wagon train ''Wagon Train'' is an American Western series that aired 8 seasons: first on the NBC television network (1957–1962), and then on ABC (1962–1965). ''Wagon Train'' debuted on September 18, 1957, and became number one in the Nielsen ratings ...

s. In 1997, orchards covered 8,403 acres (34 km²) of the county's lands and 1,163 acres (4.7 km²) were devoted to vineyards. Agriculture is still a major industry in Washington County, as are lumber, manufacturing, and food processing. The development of a large electronics industry during the 1980s and 1990s is the dominating factor of the county economy, and contributing to the creation of Oregon's

Silicon Forest Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic luster, and is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic tab ...

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

-based

Intel Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California. It is the world's largest semiconductor chip manufacturer by revenue, and is one of the developers of the x86 seri ...

, Oregon's largest private-sector employer, has its largest concentration of employees in the county, mainly in Hillsboro. Other technology companies include

Electro Scientific Industries Electro Scientific Industries, Inc. (ESI) is an American high technology company headquartered in the Portland, Oregon, metropolitan area, specifically in Beaverton, Oregon, since 2021, but from 1963–2021 it was based in the unincorporated ...

FEI Company FEI Company (Field Electron and Ion Company, FEI) is an American company that designs, manufactures, and supports microscope technology. Headquartered in Hillsboro, Oregon, FEI has over 2,800 employees and sales and service operations in more than ...

Qorvo Qorvo is an American semiconductor company that designs, manufactures, and supplies radio-frequency systems for applications that drive wireless and broadband communications, as well as foundry services. The company, which trades on NASDAQ, was c ...

Tektronix Tektronix, Inc., historically widely known as Tek, is an American company best known for manufacturing test and measurement devices such as oscilloscopes, logic analyzers, and video and mobile test protocol equipment. Originally an independent ...

SolarWorld SolarWorld is a German company dedicated to the manufacture and marketing photovoltaic products worldwide by integrating all components of the solar value chain, from feedstock (polysilicon) to module production, from trade with solar panels to ...

Planar Systems Planar Systems, Inc. is an American digital display manufacturing corporation with a facility in Hillsboro, Oregon. Founded in 1983 as a spin-off from Tektronix, it was the first U.S. manufacturer of electroluminescent (EL) digital displays. Planar ...

, and

EPSON Seiko Epson Corporation, or simply known as Epson, is a Japanese multinational electronics company and one of the world's largest manufacturers of computer printers and information- and imaging-related equipment. Headquartered in Suwa, Nagano ...

Nike Nike often refers to: * Nike (mythology), a Greek goddess who personifies victory * Nike, Inc., a major American producer of athletic shoes, apparel, and sports equipment Nike may also refer to: People * Nike (name), a surname and feminine give ...

, one of two Fortune 500 corporations based in Oregon, has its headquarters in Washington County. Until it was acquired by IBM,

Sequent Computer Systems Sequent Computer Systems was a computer company that designed and manufactured multiprocessing computer systems. They were among the pioneers in high-performance symmetric multiprocessing (SMP) open systems, innovating in both hardware (e.g., ca ...

was headquartered near Nike. Other companies with headquarters in Washington County include optical instruments manufacturer

Leupold & Stevens Leupold & Stevens, Inc. is an American manufacturer of telescopic sights, red dot sights, binoculars, rangefinders, spotting scopes, and eyewear located in Beaverton, Oregon, United States. The company, started in 1907, is on its fifth generatio ...

Columbia Sportswear The Columbia Sportswear Company is an American company that manufactures and distributes outerwear, sportswear, and footwear, as well as headgear, camping equipment, ski apparel, and outerwear accessories. It was founded in 1938 by Paul Lam ...

, and

Reser's Fine Foods Reser's Fine Foods, Inc., an American corporation based in Beaverton, Oregon, manufactures and distributes fresh and refrigerated prepared foods. Over 1,000 products are available in the 50 U.S. states, Canada, Guam, Mexico, and areas of the Fa ...

Communities

Beaverton Central MAX station - Beaverton, Oregon

Cities

Census-designated places

* Aloha *

* Bull Mountain * Cedar Hills * Cedar Mill * Cherry Grove * Dilley * Garden Home–Whitford * Marlene Village * Metzger * Oak Hills * Raleigh Hills * Rockcreek * West Haven-Sylvan * West Slope

Unincorporated communities

* Bacona * Balm Grove *

Blooming Bloom or blooming may refer to: Science and technology Biology * Bloom, one or more flowers on a flowering plant * Algal bloom, a rapid increase or accumulation in the population of algae in an aquatic system * Jellyfish bloom, a collective n ...

* Bonita * Bonny Slope * Bradley Corner * Buckheaven *

Buxton Buxton is a spa town in the Borough of High Peak, Derbyshire, England. It is England's highest market town, sited at some above sea level.Carnation ''Dianthus caryophyllus'' (), commonly known as the carnation or clove pink, is a species of ''Dianthus''. It is likely native to the Mediterranean region but its exact range is unknown due to extensive cultivation for the last 2,000 years.Med ...

* Chehalem *

Dixie Dixie, also known as Dixieland or Dixie's Land, is a nickname for all or part of the Southern United States. While there is no official definition of this region (and the included areas shift over the years), or the extent of the area it cover ...

* Elmonica *

Farmington Farmington may refer to: Places Canada *Farmington, British Columbia * Farmington, Nova Scotia (disambiguation) United States *Farmington, Arkansas *Farmington, California *Farmington, Connecticut *Farmington, Delaware * Farmington, Georgia * ...

* Gales Creek * Glencoe * Glenwood * Hayward * Hazeldale *

Helvetia Helvetia () is the female national personification of Switzerland, officially ''Confoederatio Helvetica,'' the Swiss Confederation. The allegory is typically pictured in a flowing gown, with a spear and a shield emblazoned with the Swiss fl ...

* Hillside *

Huber Huber is a German-language surname. It derives from the German word ''Hube'' meaning hide, a unit of land a farmer might possess, granting them the status of a free tenant. It is in the top ten most common surnames in the German-speaking world, ...

* Kansas City * Kinton *

Laurel Laurel may refer to: Plants * Lauraceae, the laurel family * Laurel (plant), including a list of trees and plants known as laurel People * Laurel (given name), people with the given name * Laurel (surname), people with the surname * Laurel (mus ...

* Laurelwood *

Manning Manning (a.k.a. Mannion, Manning) is a family name. Origin and meaning Manning is from an old Norse word — manningi — meaning a brave or valiant man; and one of the first forms of the name was Mannin; another cartography was Mannyg ...

* Middleton * Midway * Mountaindale * Mulloy * Norwood * Orenco *

Patton George Smith Patton Jr. (November 11, 1885 – December 21, 1945) was a general in the United States Army who commanded the Seventh United States Army in the Mediterranean Theater of World War II, and the Third United States Army in Franc ...

Progress Progress is the movement towards a refined, improved, or otherwise desired state. In the context of progressivism, it refers to the proposition that advancements in technology, science, and social organization have resulted, and by extension w ...

* Reedville *

Roy Roy is a masculine given name and a family surname with varied origin. In Anglo-Norman England, the name derived from the Norman ''roy'', meaning "king", while its Old French cognate, ''rey'' or ''roy'' (modern ''roi''), likewise gave rise to ...

* Scholls * Six Corners *

Somerset West Somerset West ( af, Somerset-Wes) is a town in the Western Cape, South Africa. Organisationally and administratively it is included in the City of Cape Town metropolitan municipality as a suburb of the Helderberg region (formerly called Hottent ...

* Tanasbourne * Thatcher *

Timber Lumber is wood that has been processed into dimensional lumber, including beams and planks or boards, a stage in the process of wood production. Lumber is mainly used for construction framing, as well as finishing (floors, wall panels, w ...

Tobias Tobias is the transliteration of the Greek which is a translation of the Hebrew biblical name he, טוֹבִיה, Toviyah, JahGod is good, label=none. With the biblical Book of Tobias being present in the Deuterocanon/Apocrypha of the Bible ...

* Verboort *

Watts Watts is plural for ''watt'', the unit of power. Watts may also refer to: People *Watts (surname), list of people with the surname Watts Fictional characters *Watts, main character in the film '' Some Kind of Wonderful'' *Watts family, six chara ...

* West Union * Wilkesboro *

Witch Hazel Witch-hazels or witch hazels (''Hamamelis'') are a genus of flowering plants in the family Hamamelidaceae, with three species in North America ('' H. ovalis'', '' H. virginiana'', and '' H. vernalis''), and one each in Japan ('' H.&nb ...

References

External links

Washington County Visitors Association
{{Authority control 1843 establishments in Oregon Country Populated places established in 1843 Portland metropolitan area counties