Columbia County, Washington
Columbia County, Washington | |
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Columbia County Courthouse
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Location in the U.S. state of Washington |
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Washington's location in the U.S. |
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Founded | November 11, 1875 |
Named for | Columbia River |
Seat | Dayton |
Largest city | Dayton |
Area | |
• Total | 873 sq mi (2,261 km2) |
• Land | 869 sq mi (2,251 km2) |
• Water | 4.9 sq mi (13 km2), 0.6% |
Population (est.) | |
• (2014) | 3,985 |
• Density | 4.6/sq mi (2/km²) |
Congressional district | 5th |
Time zone | Pacific: UTC-8/-7 |
Website | www |
Columbia County is a county located in the U.S. state of Washington. As of the 2010 census, the population was 4,078,[1] making it the third-least populous county in Washington. The county seat and largest city is Dayton. The county was created out of Walla Walla County on November 11, 1875[2] and is named after the Columbia River.
Columbia County is included in the Walla Walla, WA Metropolitan Statistical Area.
Contents
Geography
According to the U.S. Census Bureau, the county has a total area of 873 square miles (2,260 km2), of which 869 square miles (2,250 km2) is land and 4.9 square miles (13 km2) (0.6%) is water.[3] It is part of the Palouse, a wide and rolling prairie-like region of the middle Columbia basin.
Geographic features
Major highways
Adjacent counties
- Whitman County - north
- Garfield County - east
- Wallowa County, Oregon - southeast
- Umatilla County, Oregon - southwest
- Walla Walla County - west
- Franklin County - northwest
National protected area
- Umatilla National Forest (part)
Demographics
Historical population | |||
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Census | Pop. | %± | |
1880 | 7,103 | — | |
1890 | 6,709 | −5.5% | |
1900 | 7,128 | 6.2% | |
1910 | 7,042 | −1.2% | |
1920 | 6,093 | −13.5% | |
1930 | 5,325 | −12.6% | |
1940 | 5,549 | 4.2% | |
1950 | 4,860 | −12.4% | |
1960 | 4,569 | −6.0% | |
1970 | 4,439 | −2.8% | |
1980 | 4,057 | −8.6% | |
1990 | 4,027 | −0.7% | |
2000 | 4,064 | 0.9% | |
2010 | 4,078 | 0.3% | |
Est. 2014 | 3,985 | [4] | −2.3% |
U.S. Decennial Census[5] 1790–1960[6] 1900–1990[7] 1990–2000[8] 2010–2014[1] |
As of the 2010 census Columbia County had a population of 4,078. The ethnic and racial makeup of the population was 89.5% non-Hispanic whites, 0.3% African-American, 1.4% Native American, 0.6% Asian, 0.3% Pacific Islander, 2.7% from two or more races, 6.2% Hispanic or Latino of any race and 1.7% non-Hispanics from some other race.[9]
As of the census[10] of 2000, there were 4,064 people, 1,687 households, and 1,138 families residing in the county. The population density was 5 people per square mile (2/km²). There were 2,018 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 93.73% White, 0.22% Black or African American, 0.96% Native American, 0.42% Asian, 0.05% Pacific Islander, 2.73% from other races, and 1.89% from two or more races. 6.35% of the population were Hispanic or Latino of any race. 19.6% were of German, 18.2% United States or American, 14.3% English and 8.3% Irish ancestry. 94.3% spoke English and 5.7% Spanish at home.
There were 1,687 households out of which 27.70% had children under the age of 18 living with them, 56.00% were married couples living together, 8.50% had a female householder with no husband present, and 32.50% were non-families. 29.00% of all households were made up of individuals and 13.00% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.89.
In the county, the population was spread out with 23.90% under the age of 18, 7.00% from 18 to 24, 22.80% from 25 to 44, 27.70% from 45 to 64, and 18.50% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 95.20 males. For every 100 females age 18 and over, there were 94.80 males.
The median income for a household in the county was $33,500, and the median income for a family was $44,038. Males had a median income of $33,690 versus $21,367 for females. The per capita income for the county was $17,374. About 8.60% of families and 12.60% of the population were below the poverty line, including 15.90% of those under age 18 and 11.10% of those age 65 or over.
Communities
City
- Dayton (county seat)
Town
Unincorporated communities
See also
Footnotes
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- ↑ 2010 census report for Columbia County, Washington
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Further reading
- Frank T. Gilbert, Historic Sketches: Walla Walla, Columbia and Garfield Counties, Washington Territory. Portland, OR: A.G. Walling Printing House, 1882.
- W.D. Lyman, Lyman's History of Old Walla Walla County, Embracing Walla Walla, Columbia, Garfield and Asotin Counties. In Two Volumes. Chicago: S.J. Clarke Publishing Co., 1918. Volume 1 | Volume 2
- Frederic Ambrose Shaver, An Illustrated History of Southeastern Washington, Including Walla Walla, Columbia, Garfield and Asotin Counties, Washington. Spokane, WA: Western Historical Publishing Co., 1906.
External links
Wikimedia Commons has media related to Columbia County, Washington. |
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Franklin County | Whitman County | ||
Walla Walla County | Garfield County | |||
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Umatilla County, Oregon | Wallowa County, Oregon |
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