Union County is one of the
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 so ...
of
Oregon
Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...
, and one of the 8 counties of eastern Oregon. As of the
2020 census, the population was 26,196.
The county comprises the La Grande
micropolitan statistical area and the
county seat
A county seat is an administrative center, seat of government, or capital city of a county or parish (administrative division), civil parish. The term is in use in five countries: Canada, China, Hungary, Romania, and the United States. An equiva ...
is
La Grande.
History
According to ''
Oregon Geographic Names'', the county is named for the town of
Union. Union County was originally part of
Baker County (which was originally a part of Wasco County, which was originally part of Clackamas County). The northern end of the
Grande Ronde Valley was the first part to be settled.
During the 1860s, population growth in eastern Oregon prompted the State Legislature to split
Umatilla and
Baker
A baker is a tradesperson who baking, bakes and sometimes Sales, sells breads and other products made of flour by using an oven or other concentrated heat source. The place where a baker works is called a bakery.
History
Ancient histo ...
Counties from Wasco County in 1862. Further settlement in the Grande Ronde Valley led to the division of Baker County to create Union County on October 14, 1864. The county doubled in population between 1880 and 1890.
The choice of a
county seat
A county seat is an administrative center, seat of government, or capital city of a county or parish (administrative division), civil parish. The term is in use in five countries: Canada, China, Hungary, Romania, and the United States. An equiva ...
resulted in competition, based on geography and on economic and population growth, between
La Grande and the
city of Union. The county seat alternated between Union and La Grande until it permanently came to rest at La Grande in 1905. Between 1875 and 1913, adjustments were made between Union County's borders and the borders of Baker, Umatilla, and
Wallowa counties.
Geography

According to the
United States Census Bureau
The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...
, the county has a total area of , of which is land and (0.1%) is water.
The
Forest Service owns 47% of the land in the county.
Adjacent counties
*
Umatilla County (northwest)
*
Wallowa County (northeast)
*
Baker County (southeast)
*
Grant County Grant County may refer to:
Places
;Australia
* County of Grant, Victoria
;United States
* Grant County, Arkansas
* Grant County, Indiana
* Grant County, Kansas
*Grant County, Kentucky
Grant County is a county located in the northern pa ...
(southwest)
Demographics
2010 census
As of the
2010 census, there were 25,748 people, 10,501 households, and 6,804 families living in the county.
The population density was . There were 11,489 housing units at an average density of .
The racial makeup of the county was 93.1% white, 1.1% American Indian, 0.9% Pacific islander, 0.8% Asian, 0.5% black or African American, 1.3% from other races, and 2.3% from two or more races. Those of Hispanic or Latino origin made up 3.9% of the population.
In terms of ancestry, 25.2% were
German, 17.8% were
Irish, 17.3% were
English, and 6.9% were
American.
Of the 10,501 households, 28.2% had children under the age of 18 living with them, 51.3% were married couples living together, 9.5% had a female householder with no husband present, 35.2% were non-families, and 27.6% of all households were made up of individuals. The average household size was 2.38 and the average family size was 2.89. The median age was 40.0 years.
The median income for a household in the county was $42,162 and the median income for a family was $52,558. Males had a median income of $40,720 versus $30,373 for females. The per capita income for the county was $22,947. About 10.5% of families and 16.1% 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 ...
, including 22.6% of those under age 18 and 10.2% of those age 65 or over.
2000 census
As of the
2000 census, there were 24,530 people, 9,740 households, and 6,516 families living in the county. The
population density
Population density (in agriculture: Standing 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 geog ...
was . There were 10,603 housing units at an average density of . The racial makeup of the county was 94.29%
White
White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...
, 0.85%
Native American, 0.85%
Asian, 0.62%
Pacific Islander
Pacific Islanders, Pasifika, Pasefika, Pacificans, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe th ...
, 0.51%
Black
Black is a color that results from the absence or complete absorption of visible light. It is an achromatic color, without chroma, like white and grey. It is often used symbolically or figuratively to represent darkness.Eva Heller, ''P ...
/
African American
African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...
, 1.22% from
other races, and 1.67% from two or more races.
Hispanic
The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...
s and
Latinos of any race constituted 2.45% of the population. 20.2% were of
German, 15.5%
American, 12.2%
English and 10.5%
Irish ancestry.
There were 9,740 households, out of which 30.00% had children under the age of 18 living with them, 55.10% were
married couples
Marriage, also called matrimony or wedlock, is a culturally and often legally recognised union between people called spouses. It establishes rights and obligations between them, as well as between them and their children (if any), and b ...
living together, 8.50% had a female householder with no husband present, and 33.10% were non-families. 26.10% of all households were made up of individuals, and 10.80% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.94.
In the county, the population was spread out, with 24.60% under the age of 18, 12.10% from 18 to 24, 23.50% from 25 to 44, 25.00% from 45 to 64, and 14.70% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 95.10 males. For every 100 females age 18 and over, there were 92.40 males.
The median income for a household in the county was $33,738, and the median income for a family was $40,520. Males had a median income of $33,028 versus $21,740 for females. The
per capita income
Per capita income (PCI) or average income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year.
In many countries, per capita income is determined using regular population surveys, such ...
for the county was $16,907. About 8.50% of families and 13.80% 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 ...
, including 13.60% of those under age 18 and 9.50% of those age 65 or over.
Communities
Cities
*
Cove
A cove is a small bay or coastal inlet. They usually have narrow, restricted entrances, are often circular or oval, and are often situated within a larger bay. Small, narrow, sheltered bays, inlets, creek (tidal), creeks, or recesses in a coast ...
*
Elgin
*
Imbler
*
Island City
*
La Grande (county seat)
*
North Powder
*
Summerville
*
Union
Unincorporated communities
*
Alicel
*
Camp Elkanah
*
Hilgard
*
Hot Lake
*
Kamela
*
Medical Springs
*
Perry
Perry or pear cider is an alcoholic beverage made from fermented pears, traditionally in England (particularly Gloucestershire, Herefordshire, and Worcestershire), parts of South Wales, France (especially Normandy and Anjou), Canada, Austral ...
*
Starkey
*
Telocaset
Ghost towns/Former communities
*
Nibley
*
Orodell
*
Pondosa
Government and politics
Like the rest of eastern Oregon, the majority of registered voters who are part of a
political party
A political party is an organization that coordinates candidates to compete in a particular area's elections. It is common for the members of a party to hold similar ideas about politics, and parties may promote specific political ideology, ...
in Union County belong to the
Republican Party.
In the
2016 presidential election, 65 percent of Union County voters voted for Republican
Donald Trump
Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who is the 47th president of the United States. A member of the Republican Party (United States), Republican Party, he served as the 45 ...
, while 25 percent voted for
Democrat Hillary Clinton
Hillary Diane Rodham Clinton ( Rodham; born October 26, 1947) is an American politician, lawyer and diplomat. She was the 67th United States secretary of state in the administration of Barack Obama from 2009 to 2013, a U.S. senator represent ...
and 10 percent of voters either voted for a
Third Party
Third party may refer to:
Business
* Third-party source, a supplier company not owned by the buyer or seller
* Third-party beneficiary, a person who could sue on a contract, despite not being an active party
* Third-party insurance, such as a veh ...
candidate or
wrote in a candidate. These numbers show a large shift away from the Democratic party towards third-party candidates when compared to the
2012 presidential election, when 63.2% of Union Country voters voted for
Mitt Romney
Willard Mitt Romney (born March 12, 1947) is an American businessman and retired politician. He served as a United States Senate, United States senator from Utah from 2019 to 2025 and as the 70th governor of Massachusetts from 2003 to 2007 ...
, 32.9% voted for
Barack Obama
Barack Hussein Obama II (born August 4, 1961) is an American politician who was the 44th president of the United States from 2009 to 2017. A member of the Democratic Party, he was the first African American president in American history. O ...
, and 3.8% of voters either voted for a
third party
Third party may refer to:
Business
* Third-party source, a supplier company not owned by the buyer or seller
* Third-party beneficiary, a person who could sue on a contract, despite not being an active party
* Third-party insurance, such as a veh ...
candidate or
wrote in a candidate. In 2020, however, the third party turnout dropped to 2.62% and
Joe Biden
Joseph Robinette Biden Jr. (born November 20, 1942) is an American politician who was the 46th president of the United States from 2021 to 2025. A member of the Democratic Party (United States), Democratic Party, he served as the 47th vice p ...
won 28.47% of the vote, but the Republican lean remained with Trump winning over 68% of the vote.
Oregon Legislative Assembly
Union County is located in
Oregon State House District 58 which is currently represented by
Bobby Levy. It is also located in
Oregon State Senate District 29, represented by
Bill Hansell. Both Levy and Hansell are registered
Republicans.
Board of Commissioners
Union County is represented and governed by three
commissioner
A commissioner (commonly abbreviated as Comm'r) is, in principle, a member of a commission or an individual who has been given a commission (official charge or authority to do something).
In practice, the title of commissioner has evolved to incl ...
s. The Union County Board of Commissioners is currently made up of Paul Anderes, Matt Scarfo, and Donna Beverage.
Economy
The initial economic interest in Union County was mining, but most of the mines in the area were annexed by Baker County in 1901. The local
economy continues to be based on natural resources, including
farming
Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created ...
(wheat, fruit, vegetables, mint, and grass seed),
ranching
A ranch (from /Mexican Spanish) is an area of land, including various structures, given primarily to ranching, the practice of raising grazing livestock such as cattle and sheep. It is a subtype of farm. These terms are most often applied to li ...
(cattle and sheep), and
timber
Lumber is wood that has been processed into uniform and useful sizes (dimensional lumber), including beams and planks or boards. Lumber is mainly used for construction framing, as well as finishing (floors, wall panels, window frames). ...
. The ridges of Pyles Canyon are the site of the Elkhorn Valley Wind Farm, owned and operated by
Horizon Wind Energy and whose power is sold to
Idaho Power. Since October 2010, the county board of commissioners has supported a "strategic investment program" for another
wind power project in Oregon, Horizon Wind Energy's proposed Antelope Ridge Wind Farm; after delays due to concerns about the project's impact on wildlife, the project has received support from
Oregon Department of Fish and Wildlife
The Oregon Department of Fish and Wildlife (ODFW) is a state government, government agency of the U.S. state of Oregon responsible for programs protecting Oregon fish and wildlife resources and their habitats.
The agency operates hatcheries, i ...
.
Nearby mountains and streams offer hunting, fishing, skiing, and camping, all of which attract vacationers. Attractions include the
Anthony Lakes (and
its ski area),
Minam River,
Mount Emily,
Blue Mountains,
Umatilla National Forest
The Umatilla National Forest, in the Blue Mountains (Oregon), Blue Mountains of northeast Oregon and southeast Washington (U.S. state), Washington, covers an area of 1.4 million acres (5,700 km2). In descending order of land area the forest ...
,
Wallowa–Whitman National Forest (including
Eagle Cap Wilderness),
Catherine Creek State Park,
Hilgard Junction State Recreation Area,
Thief Valley Reservoir,
Cove Hot Springs Pool, the
Hot Lake Hotel (first built in the 1860s due to nearby
hot springs
A hot spring, hydrothermal spring, or geothermal spring is a Spring (hydrology), spring produced by the emergence of Geothermal activity, geothermally heated groundwater onto the surface of the Earth. The groundwater is heated either by shallow ...
), and the
Eagle Cap Excursion Train.
Education
School districts include:
*
Athena-Weston School District 29J
*
Baker School District 5J
*
Cove School District 15
*
Elgin School District 23
*
Imbler School District 11
*
La Grande School District 1
*
North Powder School District 8J
*
Union School District 5
Union County is not in the boundary of any community college district.
References
Further reading
* Bernal D. Hug (ed.)
''History of Union Country, Oregon.''La Grande, OR: Union County Historical Society, 1961.
External links
Official websitefrom Oregon Tombstone Transcription Project
{{Authority control
1864 establishments in Oregon
Populated places established in 1864