Richland, WA ZIP Codes

Total ZIPs

48,318

Total Population

ZIP Codes in Richland, WA

ZIP Code	Population	Density	Timezone
99352	26,975	494	America/Los_Angeles
99354	21,343	406	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.