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ZIP CODE TABULATION AREA

99031

Washington · 1,251 residents · 76.46 sq mi
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ZIP 99031 is wealthier than most US places, with a median household income of $98,182. Population has held roughly steady since 2024. Median home value is $423,500. With a median age of 47.1, the population is older than the US median of 38.9. The poverty rate of 21.3% is well above the national figure. Among the 36 ZIP codes in Spokane County, 99031 ranks 9th by median household income.

$98,182
US average: $82,259
$423,500
US average: $376,019
26.3%
US average: 35.6%
Age, sex & households
Under 18
12.9%
Age 65+
20.4%
55.5%
44.5%
2.48 people
Race & ethnicity · 2024
2024
White, non-Hispanic83.9%(1,050)
Black0%(0)
Hispanic / Latino6.1%(76)
Asian1.5%(19)
Other8.5%(106)
Diversity Score35.6%(445)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Spokane County
Income rank vs other ZIPs
LOWEST9TH OF 36HIGHEST
Adjacent ZIPs
99001$62,518
99003$77,129
99004$67,337
99005$125,530
Frequently asked

How many people live in ZIP code 99031?

ZIP code 99031 has about 1,251 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 99031?

The typical household in ZIP code 99031 earns about $98,182 a year. Half of households make more than that, and half make less.

Is ZIP code 99031 expensive?

In ZIP code 99031, the median home is worth about $423,500, and the typical rent is about $1,183 a month.

How educated are people in ZIP code 99031?

About 26.3% of adults age 25 and over in ZIP code 99031 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 99031?

About 21.3% of people in ZIP code 99031 live below the federal poverty line.

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