Walla Walla County, Washington | ||
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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 | April 25, 1854 | |
Named for | Walla Walla people | |
Seat | Walla Walla | |
Largest city | Walla Walla | |
Area | ||
• Total | 1,299 sq mi (3,364 km2) | |
• Land | 1,270 sq mi (3,289 km2) | |
• Water | 29 sq mi (75 km2), 2.2% | |
Population (est.) | ||
• (2015) | 60,338 | |
• Density | 46/sq mi (17.8/km²) | |
Congressional districts | 4th, 5th | |
Time zone | Pacific: UTC-8/-7 | |
Website | www |
Walla Walla County is a county located in the U.S. state of Washington. As of the 2010 census, its population was 58,781. The county seat and largest city is Walla Walla. The county was formed on April 25, 1854 and is named after the Walla Walla tribe of Native Americans.
Walla Walla County is included in the Walla Walla, WA Metropolitan Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 1,299 square miles (3,360 km2), of which 1,270 square miles (3,300 km2) is land and 29 square miles (75 km2) (2.2%) is water.
As of the census of 2000, there were 55,180 people, 19,647 households, and 13,242 families residing in the county. The population density was 43 people per square mile (17/km²). There were 21,147 housing units at an average density of 17 per square mile (6/km²). The racial makeup of the county was 85.32% White, 1.69% Black or African American, 0.84% Native American, 1.11% Asian, 0.22% Pacific Islander, 8.24% from other races, and 2.57% from two or more races. 15.68% of the population were Hispanic or Latino of any race. 20.1% were of German, 10.7% English, 7.7% United States or American and 7.3% Irish ancestry.