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Zip Code 99337 — Kennewick, WA

99337 is a ZIP Code associated with Kennewick, WA, located within Benton. The postal region supports an estimated population of 33,287 residents across Data Pending housing units, with a population density of 77.5 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.062350, -119.091270)

Data Metric	Local Statistic
Postal / Zip Code	99337
Primary City	Kennewick
State / Province	WA
County	Benton
Total Population	33,287
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	77.5 people/sq mi
Timezone	America/Los_Angeles

How 99337 Compares

Metric	ZIP 99337	Benton County	WA State Average
Population	33,287	234,788	7,816,021
Median Income	Data Pending	N/A	N/A
Population Density	77.5 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 99363	Wallula	9.4 mi	145	N/A
Zip 99346	Plymouth	10.6 mi	198	N/A
Zip 99336	Kennewick	11.2 mi	50,735	N/A
Zip 99338	Kennewick	11.7 mi	20,633	N/A
Zip 99323	Burbank	14.4 mi	4,082	N/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 →