Columbia County, Washington
Encyclopedia : C : CO : COL : Columbia County, Washington
Columbia County is a county located in the U.S. state of Washington. As of 2000, the population is 4,064. The county seat is at Dayton, which is also the county's largest city. It is named after the Columbia River.
Columbia County was created out of Walla Walla County on November 11, 1875.[link]
Geography
According to the U.S. Census Bureau, the county has a total area of 2,262 km² (874 mi²). 2,250 km² (869 mi²) of it is land and 12 km² (5 mi²) of it (0.54%) is water.Geographic features
Major highways
Adjacent counties
- Whitman County, Washington - north
- Garfield County, Washington - east
- Wallowa County, Oregon - southeast
- Umatilla County, Oregon - southwest
- Walla Walla County, Washington - west
- Franklin County, Washington - northwest
Demographics
As of the census2 of 2000, there were 4,064 people, 1,687 households, and 1,138 families residing in the county. The population density was 2/km² (5/mi²). There were 2,018 housing units at an average density of 1/km² (2/mi²). 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.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.
Census-recognized communities
Other communities
- Alto
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