PlainZIP

Kennewick, WA ZIP Codes

3

Total ZIPs

90,153

Total Population

ZIP Codes in Kennewick, WA

ZIP Code Population Density Timezone
99336 48,753 1,412 America/Los_Angeles
99337 29,845 73 America/Los_Angeles
99338 11,555 67 America/Los_Angeles

All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.