There are 11 zip codes in Benton County, Washington. The most populated is 99336, located in Kennewick. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Zip Code
Population
City
9933651,329Kennewick
9935235,618Richland
9933732,581Kennewick
9935425,676Richland
9894425,176Sunnyside
9933818,312Kennewick
9935318,264West Richland
9935014,287Prosser
9932010,023Benton City
99346372Plymouth
99345164Paterson

Zip Codes in Benton County, Washington by Population (2024)