Crook 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 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 ...

. As of the 2020 census, the population was 24,738. 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 ...

Prineville Prineville is a city in and the seat of Crook County, Oregon, United States. It was named for the first merchant located in the present location, Barney Prine. The population was 9,253 at the 2010 census. History Prineville was founded in 187 ...

. The county is named after George Crook, a

U.S. Army The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cl ...

officer who served in the

American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states ...

and various

Indian Wars The American Indian Wars, also known as the American Frontier Wars, and the Indian Wars, were fought by European governments and colonists in North America, and later by the United States and Canadian governments and American and Canadian settle ...

. Crook County comprises the Prineville, OR Micropolitan Statistical Area, which is included in the Bend--Prineville, OR

Combined Statistical Area Combined statistical area (CSA) is a United States Office of Management and Budget (OMB) term for a combination of adjacent metropolitan (MSA) and micropolitan statistical areas (µSA) across the 50 US states and the territory of Puerto Ric ...

History

Crook County was established on October 9, 1882, by an act of the

Oregon State Legislature The Oregon Legislative Assembly is the state legislature for the U.S. state of Oregon. The Legislative Assembly is bicameral, consisting of an upper and lower house: the Senate, whose 30 members are elected to serve four-year terms; and the H ...

.Hubert Howe Bancroft, ''The Works of Hubert Howe Bancroft: Volume XXX: History of Oregon: Volume II, 1848-1888.'' San Francisco, CA: The History Company, 1888; pg. 710. The county was named after General George Crook, a veteran of various battles against the indigenous peoples of Eastern Oregon in the middle of the 19th century. The county was formed from territory formerly part of

Wasco County Wasco County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 25,213. Its county seat is The Dalles. The county is named for a local tribe of Native Americans, the Wasco, a Chinook tribe w ...

, including the hilly region where the foothills of the Blue Mountains intersect the

Cascade Mountain Range The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as the North Cascades, ...

. Access into the region at first was difficult, which discouraged settlement. The first effort to develop routes into the area was in 1862 when a supply train with cattle crossed the Scott Trail. This was also the first group of non-natives to spend the winter in central Oregon. The discovery and development of the Santiam Pass in the 1860s improved access into the area.

, incorporated in 1880 and then the only incorporated town in the county, was established as the county seat. This decision was confirmed by the voters in the 1884 general election. From the start cattle ranching has been one of the primary industries of the county, with huge herds grazing the countryside from the 1880s. Farming was also developed in certain valley regions friendly to agriculture. Logging in the Ochoco Mountains and the timber mills that accompanied also greatly contributed to the economic and population growth of the county. The first recorded mention of a sawmill was made by George Barnes, speaking about the Swartz sawmill on Mill Creek, circa 1867.

Geography

The county is located in the geographic center of Oregon. According to the

U.S. 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 the ...

, the county has a total area of , of which is land and (0.3%) is water. The largest body of water in Crook County is the

Prineville Reservoir The Prineville Reservoir is in the high desert hills of Central Oregon, Oregon, United States. The reservoir is on the Crooked River southeast of Prineville, and east of Bend. This reservoir is a popular retreat for most of Central Oregon. I ...

. The county has been reduced from its original size of by the creation of Jefferson County in 1914 and Deschutes County in 1916. The present boundaries were established in 1927. The oldest

geological Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other E ...

formation in Oregon is in the southeastern corner of Crook County, near its boundary with

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, Minnesota *Grant County, Nebraska *Grant C ...

. This formation is an outcropping of Devonian

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

created from a larger reef when most of Oregon was covered by water.

Adjacent counties

* Jefferson County - north * Wheeler County - north *

- east *

Harney County Harney County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 7,495, making it the sixth-least populous county in Oregon. The county seat is Burns. Established in 1889, the county is named in h ...

- southeast * Deschutes County - southwest

National protected area

Ochoco National Forest The Ochoco National Forest is located in the Ochoco Mountains in Central Oregon in the United States, north and east of the city of Prineville, location of the national forest headquarters. It encompasses of rimrock, canyons, geologic oddities, ...

(part)

Demographics

2000 census

As of the

census A census is the procedure of systematically acquiring, recording and calculating information about the members of a given population. This term is used mostly in connection with national population and housing censuses; other common censuses in ...

of 2000, there were 19,182 people, 7,354 households, and 5,427 families living 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 6 people per square mile (2/km²). There were 8,264 housing units at an average density of 3 per square mile (1/km²). The racial makeup of the county was 92.95%

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 ...

, 0.04%

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 ...

, 1.30% Native American, 0.43%

Asian Asian may refer to: * Items from or related to the continent of Asia: ** Asian people, people in or descending from Asia ** Asian culture, the culture of the people from Asia ** Asian cuisine, food based on the style of food of the people from Asi ...

, 0.03%

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 ...

, 3.81% 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 1.43% from two or more races. 5.64% 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. 26.2% were of American, 14.8%

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 ...

, 9.7%

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 ...

and 8.9%

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 ...

ancestry. There were 7,354 households, out of which 32.30% had children under the age of 18 living with them, 61.50% were married couples living together, 8.20% had a female householder with no husband present, and 26.20% were non-families. 21.30% of all households were made up of individuals, and 9.50% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 2.96. In the county, the population was spread out, with 26.60% under the age of 18, 7.50% from 18 to 24, 25.50% from 25 to 44, 25.70% from 45 to 64, and 14.70% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 99.40 males. For every 100 females age 18 and over, there were 97.30 males. The median income for a household in the county was $35,186, and the median income for a family was $40,746. Males had a median income of $32,166 versus $22,580 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 $16,899. About 8.10% of families and 11.30% 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 13.90% of those under age 18 and 8.10% of those age 65 or over.

2010 census

As of the 2010 census, there were 20,978 people, 8,558 households, and 6,025 families living in the county. The population density was . There were 10,202 housing units at an average density of . The racial makeup of the county was 92.7% white, 1.4% American Indian, 0.5% Asian, 0.2% black or African American, 0.1% Pacific islander, 3.2% from other races, and 2.0% from two or more races. Those of Hispanic or Latino origin made up 7.0% of the population. In terms of ancestry, 20.7% were

, 14.6% were

, 12.6% were

, and 6.2% were American. Of the 8,558 households, 27.7% had children under the age of 18 living with them, 57.1% were married couples living together, 9.0% had a female householder with no husband present, 29.6% were non-families, and 24.1% of all households were made up of individuals. The average household size was 2.42 and the average family size was 2.84. The median age was 45.6 years. The median income for a household in the county was $46,059 and the median income for a family was $52,477. Males had a median income of $41,375 versus $29,545 for females. The per capita income for the county was $22,275. About 10.6% of families and 14.0% of the population were below the

, including 26.1% of those under age 18 and 4.0% of those age 65 or over.

Communities

City

(county seat)

Census-designated places

* Juniper Canyon * Ochoco West * Prineville Lake Acres

Other unincorporated communities

* Forest Crossing * Lone Pine * O'Neil * Paulina *

Post Post or POST commonly refers to: *Mail, the postal system, especially in Commonwealth of Nations countries **An Post, the Irish national postal service **Canada Post, Canadian postal service **Deutsche Post, German postal service **Iraqi Post, Ira ...

* Powell Butte * Roberts * Suplee

Politics

Though Crook County is the most central county in Oregon, politically it falls in line with the eastern side of the state. 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 country's elections. It is common for the members of a party to hold similar ideas about politics, and parties may promote specific ideological or p ...

in Crook County, as well as most counties in eastern Oregon, are members of the Republican Party.Voter Registration by County
Retrieved on November 20, 2018 Crook County was formerly a presidential

bellwether A bellwether is a leader or an indicator of trends.bellwether
" ''Cambridge Dictionary''. Ret ...

county, voting with the winner since 1884, in 27 Presidential elections. However, the county lost its bellwether status after voting for George H. W. Bush in 1992. It has voted Republican ever since.

Economy

Forest products, agriculture, livestock raising and recreation/tourism services constitute Crook County's total economy. Agriculture is supported by the development of irrigation districts, which permits the raising of hay, grain, mint, potatoes, and seed. Range and forest lands allow grazing for a sizable livestock industry. The

's stand of ponderosa pine is the main source of lumber. Tourism and recreation help round out the economy. Thousands of hunters, fishers, boaters, sightseers and rockhounds are annual visitors to its streams, reservoirs and the

Ochoco Mountains The Ochoco Mountains are a mountain range in central Oregon in the United States, located at the western end of the Blue Mountains. They were formed when Permian, Triassic, and Jurassic rocks were slowly uplifted by volcanic eruptions to form ...

. The Prineville Chamber of Commerce provides access to over of mining claims to rockhounds, who can dig for free

agate Agate () is a common rock formation, consisting of chalcedony and quartz as its primary components, with a wide variety of colors. Agates are primarily formed within volcanic and metamorphic rocks. The ornamental use of agate was common in Anci ...

s, limb casts,

jasper Jasper, an aggregate of microgranular quartz and/or cryptocrystalline chalcedony and other mineral phases,Kostov, R. I. 2010. Review on the mineralogical systematics of jasper and related rocks. – Archaeometry Workshop, 7, 3, 209-213PDF/ref> ...

and thundereggs.