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ZIP CODE TABULATION AREA

98531

Washington · 27,337 residents · 129 sq mi
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ZIP 98531 is home to 27,337 people in Lewis County. Four-year degrees are less common here than nationally, at 22% of adults. Households here earn about 15% less than in Lewis County as a whole. Households take in $63,406 at the median, 23% less than the US figure. 16.6% of residents live below the federal poverty line. The typical home is worth $343,000. Among the 19 ZIP codes in Lewis County, 98531 ranks 14th by median household income.

$63,406
US average: $82,259
$32,793
US average: $44,673
$343,000
US average: $376,019
22.1%
US average: 35.6%
Land area
129 sq mi
Age, sex & households
Under 18
20.1%
Age 65+
20.4%
48.4%
51.6%
2.42 people
Race & ethnicity · 2024
2024
White, non-Hispanic73.7%(20,146)
Black0.9%(245)
Hispanic / Latino18.5%(5,066)
Asian1.5%(398)
Other5.4%(1,482)
52
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
5.4
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Lewis County
Income rank vs other ZIPs
LOWEST14TH OF 19HIGHEST
Adjacent ZIPs
98336$67,632
98355$102,438
98356$60,060
Frequently asked

How many people live in ZIP code 98531?

ZIP code 98531 has about 27,337 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 98531?

The typical household in ZIP code 98531 earns about $63,406 a year. Half of households make more than that, and half make less.

Is ZIP code 98531 expensive?

In ZIP code 98531, the median home is worth about $343,000, and the typical rent is about $1,130 a month.

How educated are people in ZIP code 98531?

About 22.1% of adults age 25 and over in ZIP code 98531 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 98531?

About 16.6% of people in ZIP code 98531 live below the federal poverty line.

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