Benton County, Washington Zip Codes

11 zips

Zip Code
City
Population ↓
99336Kennewick51,329
99352Richland35,618
99337Kennewick32,581
99354Richland25,676
98944Sunnyside25,176
99338Kennewick18,312
99353West Richland18,264
99350Prosser14,287
99320Benton City10,023
99346Plymouth372
99345Paterson164

Overview of Zip Codes in Benton County

11
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2024, there are 11 ZCTAs in Benton County, Washington (US Census).