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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

BENTON County, WA ZIP Codes

BENTON County, WA Covers 10 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 99320GeneralBenton City10,215Pacific509
ZIP Code 99336GeneralKennewick51,127Pacific509
ZIP Code 99337GeneralKennewick33,458Pacific509
ZIP Code 99338GeneralKennewick19,117Pacific509
ZIP Code 99345P.O. BoxPaterson159Pacific509
ZIP Code 99346P.O. BoxPlymouth345Pacific509
ZIP Code 99350GeneralProsser13,240Pacific509
ZIP Code 99352GeneralRichland35,762Pacific509
ZIP Code 99353GeneralWest Richland17,934Pacific509
ZIP Code 99354GeneralRichland24,839Pacific509

Population:7,705,281 (More Details)
Male Population:3,843,772
Female Population:3,861,509
Median Age:38
ZIP Codes:10
Area Codes:0
Total Area:1,760 square miles (county)
Land Area:1,700 square miles (county)
Water Area:60 square miles (county)

BENTON, WA Demographic Information

* Demographic data is based on 2020 Census.

Total population of BENTON County, WA206,873
Male population of BENTON County, WA102,845
Female population of BENTON County, WA104,028
Median age (years)36.3
White Population146,087
Black Population2,893
Indian Population2,052
Asian Population6,397
Hawaiian Population607
Hispanic Population49,339
Median age (Male)35.5
Median age (Female)37.2
Total households76,369
Average household size for BENTON County, WA2.69
Average family size of BENTON County, WA2.95
Total housing units for BENTON County, WA80,076

BENTON County, WA Covers 7 Cities