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Zip Code 99320 — Benton City, WA

99320 is a ZIP Code associated with Benton City, WA, located within Benton. The postal region supports an estimated population of 9,879 residents across Data Pending housing units, with a population density of 18.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.327060, -119.524830)

Data MetricLocal Statistic
Postal / Zip Code99320
Primary CityBenton City
State / ProvinceWA
CountyBenton
Total Population9,879
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density18.2 people/sq mi
TimezoneAmerica/Los_Angeles

How 99320 Compares

MetricZIP 99320Benton CountyWA State Average
Population9,879234,7887,816,021
Median IncomeData PendingN/AN/A
Population Density18.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 99353West Richland7.0 mi19,251N/A
Zip 99354Richland10.7 mi25,559N/A
Zip 99352Richland12.6 mi37,430N/A
Zip 98944Sunnyside13.7 mi22,817N/A
Zip 99350Prosser15.4 mi14,837N/A

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 →