US Census Data

ZIP 98631 vs ZIP 98638

A side-by-side comparison of ZIP Code 98631 and ZIP Code 98638: population, income, housing, and more.

ZIP 98631 and ZIP 98638 are ZIP Code areas in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 98631 has the higher population (3,468 vs 1,545 in ZIP 98638). ZIP 98638 has the higher median household income ($59,840 vs $59,511 in ZIP 98631). ZIP 98631 has the higher median home value ($338,300 vs $323,600 in ZIP 98638).

Population, income & housing

ZIP 98631ZIP 98638
Population3,4681,545
Median age56.7 yrs38.7 yrs
Median household income$59,511$59,840
Median home value$338,300$323,600
Median gross rent$838$1,233
Housing units3,143732
Homeownership rate73.3%87.9%
Bachelor's degree or higher28.0%17.9%
Unemployment rate4.1%2.7%

Trends (ACS 5-year, 2019–2023)

ZIP 98631ZIP 98638
Population3,256 → 3,468 (+6.5%)1,371 → 1,545 (+12.7%)
Median household income$36,650 → $59,511 (+62.4%)$57,426 → $59,840 (+4.2%)
Median home value$199,000 → $338,300 (+70.0%)$217,800 → $323,600 (+48.6%)
Median gross rent$679 → $838 (+23.4%)$970 → $1,233 (+27.1%)

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 98638

Population
1,3711,545
Median household income
$57,426$59,840
Median home value
$217,800$323,600
Median gross rent
$970$1,233

Age & race/ethnicity

Age distribution (share)

ZIP 98631ZIP 98638
Under 53.3%2.5%
5 to 179.8%19.2%
18 to 244.2%14.1%
25 to 3410.3%8.4%
35 to 448.3%17.0%
45 to 5411.0%12.7%
55 to 6417.4%4.0%
65 to 7423.4%18.7%
75 and over12.2%3.4%

Race & ethnicity (share)

ZIP 98631ZIP 98638
White (non-Hispanic)81.2%86.5%
Black or African American0.2%2.2%
American Indian & Alaska Native0.1%0.0%
Asian1.3%1.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.9%2.0%
Two or more races4.9%1.2%
Hispanic or Latino11.4%7.1%

Educational attainment (age 25+)

Share of adults 25+

ZIP 98631ZIP 98638
No high school diploma6.2%2.8%
High school graduate26.4%26.5%
Some college or associate's39.4%52.7%
Bachelor's degree19.2%14.3%
Graduate or professional degree8.8%3.6%

Commute to work

How workers get to work (share)

ZIP 98631ZIP 98638
Drove alone59.9%76.8%
Carpooled10.0%7.1%
Public transit1.6%0.0%
Walked9.2%0.7%
Bicycle0.6%0.0%
Worked from home18.0%13.1%
Other means0.7%2.3%

Housing

Units in structure (share)

ZIP 98631ZIP 98638
1-unit, detached63.4%89.2%
1-unit, attached0.9%0.0%
2 to 4 units5.0%1.6%
5 to 19 units5.9%0.0%
20 or more units8.8%0.0%
Mobile home & other16.1%9.2%

Poverty & households

ZIP 98631ZIP 98638
Poverty rate10.1%4.7%
Average household size2.042.45
Mean commute (minutes)1643
Median year structure built19771963

Full profiles

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ZIP 98631 vs ZIP 98638: Compare Population & Demographics | US Census Data