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.

2026 data Public-data reference. official source

Source:

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.

Affordability Dashboard
Income, housing, safety, childcare — all in one view
View Dashboard →

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?

Median Household Income
$90,806
Per Capita Income
$40,311
Unemployment Rate
4.6%
Poverty Rate
11.2%

What does housing look like in Kennewick?

Median Home Value
$423,800
Median Rent
$1,307/mo
Owner Occupied
71.9%
Housing Units
40,021

Who lives in Kennewick?

Bachelor's Degree+
29.7%
High School+
53.7%
Avg Commute
22 min
Foreign Born
12.4%

ZIP Codes in Kennewick, WA

Side-by-side: Compare 99336 vs 99337 →

ZIP Code Population Density Timezone
99336 48,753 1,412 America/Los_Angeles
99337 29,845 73 America/Los_Angeles
99338 11,555 67 America/Los_Angeles

Frequently Asked Questions

How many ZIP codes are in Kennewick, WA?
Kennewick, WA has 3 ZIP codes with a combined population of 90,153, based on Census ACS 2023 data.
What is the median household income in Kennewick?
The average median household income across Kennewick, WA ZIP codes is $90,806. The poverty rate is 11.2%.
What is the cost of living in Kennewick?
The average median home value in Kennewick, WA is $423,800. Median rent is $1,307/month. 71.9% of homes are owner-occupied.

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 →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

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.