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ZIP CODE TABULATION AREA

99323

Washington · 4,082 residents · 133 sq mi
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ZIP 99323 is home to 4,082 people in Walla Walla County. 88% of homes are owner-occupied. Four-year degrees are less common here than nationally, at 22% of adults. This skews young, with a median age of 33.8. There are 31 people per square mile. Households here earn about 25% more than in Walla Walla County as a whole. Among the 6 ZIP codes in Walla Walla County, 99323 ranks 1st by median household income.

$93,092
US average: $82,259
$39,495
US average: $44,673
$412,900
US average: $376,019
21.8%
US average: 35.6%
Land area
133 sq mi
Age, sex & households
Under 18
31.9%
Age 65+
14.2%
54.3%
45.7%
2.93 people
Race & ethnicity · 2024
2024
White, non-Hispanic65.8%(2,684)
Black0%(0)
Hispanic / Latino28%(1,141)
Asian0.3%(11)
Other6%(246)
61
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.4
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Walla Walla County
Income rank vs other ZIPs
LOWEST1ST OF 6HIGHEST
Adjacent ZIPs
99324$62,839
99348$79,167
99360$93,036
Frequently asked

How many people live in ZIP code 99323?

ZIP code 99323 has about 4,082 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 99323?

The typical household in ZIP code 99323 earns about $93,092 a year. Half of households make more than that, and half make less.

Is ZIP code 99323 expensive?

In ZIP code 99323, the median home is worth about $412,900, and the typical rent is about $1,045 a month.

How educated are people in ZIP code 99323?

About 21.8% of adults age 25 and over in ZIP code 99323 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 99323?

About 13.2% of people in ZIP code 99323 live below the federal poverty line.

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