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ZIP CODE TABULATION AREA

99338

Washington · 20,633 residents · 35.5 sq mi
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ZIP 99338 is home to 20,633 people in Benton County. 82% of homes are owner-occupied. The typical home is worth $551,500. Households here earn about 24% more than in Benton County as a whole. The median household earns $111,042, about 35% above the national median. The poverty rate is 8.5%, under the national 12.5%. Among the 11 ZIP codes in Benton County, 99338 ranks 2nd by median household income.

$111,042
US average: $82,259
$49,238
US average: $44,673
$551,500
US average: $376,019
39.3%
US average: 35.6%
Land area
35.5 sq mi
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)
57
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
5.0
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
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