Benton County Washington Zip Codes

Cities in

Below are a list of the cities located in Benton County, WA. There are 10 total unique zip codes in Benton County, Washington. The time zone for Benton County is the Pacific Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 53005.

The population in Benton County, WA is currently 210,025. That is an increase of 20.00% vs the population of 175,177 in 2010.

Zip Codes for Benton County, WA (10)

Zip Code
City County
Zip Code Map
99320 Benton City Benton
99336 Kennewick Benton
99337 Kennewick Benton
99338 Kennewick Benton
99345 Paterson Benton
99346 Plymouth Benton
99350 Prosser Benton
99352 Richland Benton
99353 West Richland Benton
99354 Richland Benton

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