Zip Code 99353 — West Richland, WA

ZIP Code 99353 is associated with West Richland, WA, in Benton County. The listed population estimate is 19,251; estimated density is 288.0 people per square mile. Among records with population estimates, it ranks #7 of 11 in Benton County and #182 of 597 in WA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (46.317470, -119.379420)

Data MetricLocal Statistic
Postal / Zip Code99353
Primary CityWest Richland
State / ProvinceWA
CountyBenton
Total Population19,251
Population Density288.0 people/sq mi
TimezoneAmerica/Los_Angeles

How 99353 Compares

MetricZIP 99353Benton County recordsWA records
Population estimate19,251234,788 (sum)7,816,021 (sum)
Population Density288.0 /sq mi----
County population rank#7 of 11----
State population rank#182 of 597----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in WA

ZIP CodeCityDistancePopulation estimate
ZIP 99354Richland3.9 mi25,559
ZIP 99352Richland6.7 mi37,430
ZIP 99320Benton City7.0 mi9,879
ZIP 99338Kennewick11.1 mi20,633
ZIP 99336Kennewick12.0 mi50,735

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →