Benton County is located in south-central Washington. The County Seat is Prosser and the largest city is Kennewick. The Official Web Site is located at http://www.co.benton.wa.us . The 2014 population estimate is 186,486 and the 2010 census population was 175,177. The land area is 1,700.38 square miles and there are 103 persons per square mile.
91.2% of the population is White, 1.6% is Black or African American, 19.9% is Hispanic or Latino, 2.9% is Asian, 1.2% is American Indian or Alaska Native, 0.2% is Native Hawaiian or Pacific Islander, and 2.8% is two or more races. 88.5% have a high school degree or higher, and 28.9% have a Bachelor degree or higher.
The median home value is $176,700, there are 65,675 households, an average of 2.70 persons per household. The per capita income is $28,583, the median household income is $60,485, and 12.8% of the persons in Benton County are considered below poverty level.
The total number of firms, at last estimate, was 11,137. Retail sales (in $1000) were $2,122,018, and sales per capita were $13,309. The percentage of black-owned firms is 0.7%, and the percentage of women-owned firms is 29.6%.
Additional useful free databases can be found on our Washington Statewide Public Records page or look in our Washington Cities and Towns section for city and town home pages and local databases.
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| Benton County Births 1905-1907 Search the Washington State Digital Archives for Benton County, Washington births recorded between 1905 and 1907. |
| Benton County Census 1910 Search the Washington Secretary of State Archives by name for Benton County, Washington 1910 census records. |
| Benton County Court Records First select Benton County from their menu, then search for Superior Court judgments, criminal, civil, domestic, juvenile, and probate-guardianship filings. |
| Benton County Inmates Browse this listing of current inmates, provided by Benton County, Washington Sheriff. Click on the Daily Inmate Roster tab on the left. |
| Benton County Naturalizations 1905-1963 Search this Washington Secretary of State Digital Archives database for Benton County, Washington Petitions for Naturalization filed between 1905 and 1963. |
| Benton County Property Records Search the Benton County, Washington Assessor records for property information. |
| Benton County Property Tax Use this Landlight.com service to locate Benton County, Washington property tax information by parcel number. More detailed information available for a fee. |
| Benton County Registered Offenders Search for Benton County, Washington registered offenders by address, city, zip code, or name. |
| Benton County Restaurant Inspections Search for Benton County, Washington restaurants by city and name, using this Benton-Franklin Health District site. |
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