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ZIP CODE TABULATION AREA

99338

Washington · 20,633 residents · 35.452 sq mi
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ZIP 99338 is significantly wealthier than the US average, with a median household income of $111,042. Population has held roughly steady since 2024. Median home value is $551,500. Among the 11 ZIP codes in Benton County, 99338 ranks 2nd by median household income.

$111,042
US average: $82,259
$551,500
US average: $376,019
39.3%
US average: 35.6%
Age, sex & households
Under 18
29.7%
Age 65+
16.3%
49.2%
50.8%
2.97 people
Race & ethnicity · 2024
2024
White, non-Hispanic71.1%(14,672)
Black3.8%(793)
Hispanic / Latino17.3%(3,566)
Asian2.6%(531)
Other5.2%(1,071)
Diversity Score57.5%(11,855)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Benton County
Income rank vs other ZIPs
LOWEST2ND OF 11HIGHEST
Adjacent ZIPs
98944$64,276
99320$90,102
99336$62,527
99337$98,848
Frequently asked

How many people live in ZIP code 99338?

ZIP code 99338 has about 20,633 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 99338?

The typical household in ZIP code 99338 earns about $111,042 a year. Half of households make more than that, and half make less.

Is ZIP code 99338 expensive?

In ZIP code 99338, the median home is worth about $551,500, and the typical rent is about $1,486 a month.

How educated are people in ZIP code 99338?

About 39.3% of adults age 25 and over in ZIP code 99338 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 99338?

About 8.5% of people in ZIP code 99338 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024