Kennewick, WA
Census ZIP code profile for Kennewick, WA — 3 ZIPs, total population 90,153. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.
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Kennewick, WA is covered by 3 USPS ZIP codes serving a combined population of 90,153 according to Census ACS 5-Year Estimates. U.S. cities rarely map cleanly to a single ZIP — Kennewick splits its residents across 3 delivery areas, each with its own demographic and housing profile. The table below lists every ZIP by population, so you can see which neighborhoods carry the weight of the city total and which are smaller pockets of the same municipal boundary.
Aggregated across every ZIP in Kennewick, the median household income averages $90,806 and per-capita income averages $40,311. Poverty rate runs at 11.2% and unemployment at 4.6%. On housing, the average median home value is $423,800 with median rent of $1,307 per month, and 71.9% of occupied units are owner-occupied. These are arithmetic averages across the 3 ZIPs — not population-weighted — so small ZIPs influence the headline numbers the same as large ones.
Use this city view to compare ZIPs inside Kennewick against each other rather than hunting for a single "city average." The Affordability Dashboard linked below combines these Census inputs with HUD Fair Market Rents, FBI crime data, and Department of Labor childcare costs into a graded scorecard for Kennewick as a whole, while individual ZIP pages show fine-grained household income, housing profile, education attainment, commute time, and nearby-ZIP benchmarks. Every field on this page is sourced directly from U.S. Census Bureau ACS 2023 5-Year Estimates — no estimates, no proprietary scoring, no editorial adjustment.
3
ZIP Codes
90,153
Population
$90,806
Median Income
$423,800
Median Home Value
37.1
Median Age
How much do residents of Kennewick earn?
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Who lives in Kennewick?
ZIP Codes in Kennewick, WA
Side-by-side: Compare 99336 vs 99337 →
Frequently Asked Questions
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Related Guides
Understanding ZIP Code Data
What Census data tells you about a ZIP code
Income Inequality by ZIP Code
What median income hides and how to read the full picture
Official Data Resources for Kennewick
Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →
Source: HUD USPS Crosswalk (ZIP-to-county mapping) and Source: simplemaps.com (ZIP coordinates & timezones). Verify with HUD →
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Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau American Community Survey (ACS). Consult a qualified professional before making decisions based on this data.
Read our methodology to see how this data is sourced, computed, and verified.