Adams County, Washington | |
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The current Adams County Courthouse, built 1941
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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 28, 1883 |
Named for | John Adams |
Seat | Ritzville |
Largest city | Othello |
Area | |
• Total | 1,930 sq mi (4,999 km2) |
• Land | 1,925 sq mi (4,986 km2) |
• Water | 4.9 sq mi (13 km2), 0.3% |
Population (est.) | |
• (2015) | 19,254 |
• Density | 10/sq mi (4/km²) |
Congressional district | 4th |
Time zone | Pacific: UTC-8/-7 |
Website | www |
Adams County is a county in the U.S. state of Washington. As of the 2010 census, the population was 18,728. The county seat is at Ritzville, and its largest city is Othello. The county was formed out of Whitman County on November 28, 1883 and is named for the second President of the United States, John Adams.
Adams County comprises the Othello, WA Micropolitan Statistical Area, which is also part of the Moses Lake-Othello, WA Combined Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 1,930 square miles (5,000 km2), of which 1,925 square miles (4,990 km2) is land and 4.9 square miles (13 km2) (0.3%) is water.
As of the census of 2000, there were 16,428 people, 5,229 households, and 4,094 families residing in the county. The population density was 8 people per square mile (3/km²). There were 5,773 housing units at an average density of 3 per square mile (1/km²). The racial makeup of the county was 64.96% White, 0.28% Black or African American, 0.68% Native American, 0.60% Asian, 0.04% Pacific Islander, 30.69% from other races, and 2.75% from two or more races. 16.3% were of German, 6.2% United States or American and 5.6% English ancestry. 57.0% spoke English, 41.7% Spanish and 1.2% German as their first language.