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ZIP CODE TABULATION AREA

99171

Washington · 895 residents · 250 sq mi
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ZIP 99171 is a ZIP code of 895 people in Whitman County. At a median age of 55.7, this is an older place than the country as a whole. There are 4 people per square mile. Owners hold 77% of the housing stock. 25% of adults hold a bachelor's degree or higher. 3% of people in this ZIP code were born outside the United States. Among the 20 ZIP codes in Whitman County, 99171 ranks 15th by median household income.

$53,333
US average: $82,259
$32,685
US average: $44,673
$220,500
US average: $376,019
25.4%
US average: 35.6%
Land area
250 sq mi
Age, sex & households
Under 18
13.2%
Age 65+
34.4%
44.6%
55.4%
2.08 people
Race & ethnicity · 2024
2024
White, non-Hispanic91.6%(820)
Black0.3%(3)
Hispanic / Latino1.9%(17)
Asian3%(27)
Other3.1%(28)
20
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.1
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Whitman County
Income rank vs other ZIPs
LOWEST15TH OF 20HIGHEST
Adjacent ZIPs
99017$58,958
99033$58,750
99102$56,833
99111$73,393
Frequently asked

How many people live in ZIP code 99171?

ZIP code 99171 has about 895 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 99171?

The typical household in ZIP code 99171 earns about $53,333 a year. Half of households make more than that, and half make less.

Is ZIP code 99171 expensive?

In ZIP code 99171, the median home is worth about $220,500, and the typical rent is about $929 a month.

How educated are people in ZIP code 99171?

About 25.4% of adults age 25 and over in ZIP code 99171 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 99171?

About 13.1% of people in ZIP code 99171 live below the federal poverty line.

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