US Census Data

ZIP 98631 vs ZIP 98640

A side-by-side comparison of ZIP Code 98631 and ZIP Code 98640: population, income, housing, and more.

ZIP 98631 and ZIP 98640 are ZIP Code areas in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 98640 has the higher population (5,107 vs 3,468 in ZIP 98631). ZIP 98631 has the higher median household income ($59,511 vs $56,753 in ZIP 98640). ZIP 98631 has the higher median home value ($338,300 vs $297,900 in ZIP 98640).

Population, income & housing

ZIP 98631ZIP 98640
Population3,4685,107
Median age56.7 yrs63.8 yrs
Median household income$59,511$56,753
Median home value$338,300$297,900
Median gross rent$838$976
Housing units3,1434,991
Homeownership rate73.3%87.0%
Bachelor's degree or higher28.0%26.1%
Unemployment rate4.1%3.7%

Trends (ACS 5-year, 2019–2023)

ZIP 98631ZIP 98640
Population3,256 → 3,468 (+6.5%)4,576 → 5,107 (+11.6%)
Median household income$36,650 → $59,511 (+62.4%)$44,398 → $56,753 (+27.8%)
Median home value$199,000 → $338,300 (+70.0%)$188,000 → $297,900 (+58.5%)
Median gross rent$679 → $838 (+23.4%)$949 → $976 (+2.8%)

ZIP 98631

Population
3,2563,468
Median household income
$36,650$59,511
Median home value
$199,000$338,300
Median gross rent
$679$838

ZIP 98640

Population
4,5765,107
Median household income
$44,398$56,753
Median home value
$188,000$297,900
Median gross rent
$949$976

Age & race/ethnicity

Age distribution (share)

ZIP 98631ZIP 98640
Under 53.3%1.2%
5 to 179.8%5.3%
18 to 244.2%3.0%
25 to 3410.3%6.7%
35 to 448.3%6.8%
45 to 5411.0%8.8%
55 to 6417.4%21.4%
65 to 7423.4%33.0%
75 and over12.2%13.7%

Race & ethnicity (share)

ZIP 98631ZIP 98640
White (non-Hispanic)81.2%87.6%
Black or African American0.2%0.0%
American Indian & Alaska Native0.1%0.2%
Asian1.3%2.8%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.9%0.5%
Two or more races4.9%3.4%
Hispanic or Latino11.4%5.5%

Educational attainment (age 25+)

Share of adults 25+

ZIP 98631ZIP 98640
No high school diploma6.2%8.4%
High school graduate26.4%23.6%
Some college or associate's39.4%42.0%
Bachelor's degree19.2%17.1%
Graduate or professional degree8.8%8.9%

Commute to work

How workers get to work (share)

ZIP 98631ZIP 98640
Drove alone59.9%70.4%
Carpooled10.0%4.7%
Public transit1.6%0.0%
Walked9.2%2.4%
Bicycle0.6%0.0%
Worked from home18.0%20.0%
Other means0.7%2.5%

Housing

Units in structure (share)

ZIP 98631ZIP 98640
1-unit, detached63.4%67.9%
1-unit, attached0.9%0.6%
2 to 4 units5.0%1.6%
5 to 19 units5.9%0.7%
20 or more units8.8%0.5%
Mobile home & other16.1%28.7%

Poverty & households

ZIP 98631ZIP 98640
Poverty rate10.1%13.2%
Average household size2.041.82
Mean commute (minutes)1624
Median year structure built19771987

Full profiles

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