US Census Data

ZIP 98021 vs ZIP 98031

A side-by-side comparison of ZIP Code 98021 and ZIP Code 98031: population, income, housing, and more.

ZIP 98021 and ZIP 98031 are ZIP Code areas in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 98031 has the higher population (40,898 vs 35,445 in ZIP 98021). ZIP 98021 has the higher median household income ($172,559 vs $101,458 in ZIP 98031). ZIP 98021 has the higher median home value ($902,800 vs $552,300 in ZIP 98031).

Population, income & housing

ZIP 98021ZIP 98031
Population35,44540,898
Median age37.7 yrs36.8 yrs
Median household income$172,559$101,458
Median home value$902,800$552,300
Median gross rent$2,537$1,956
Housing units12,62914,342
Homeownership rate79.3%67.1%
Bachelor's degree or higher59.9%30.4%
Unemployment rate3.8%7.2%

Trends (ACS 5-year, 2019–2023)

ZIP 98021ZIP 98031
Population31,496 → 35,445 (+12.5%)37,850 → 40,898 (+8.1%)
Median household income$123,479 → $172,559 (+39.7%)$83,324 → $101,458 (+21.8%)
Median home value$557,300 → $902,800 (+62.0%)$355,400 → $552,300 (+55.4%)
Median gross rent$1,917 → $2,537 (+32.3%)$1,396 → $1,956 (+40.1%)

ZIP 98021

Population
31,49635,445
Median household income
$123,479$172,559
Median home value
$557,300$902,800
Median gross rent
$1,917$2,537

ZIP 98031

Population
37,85040,898
Median household income
$83,324$101,458
Median home value
$355,400$552,300
Median gross rent
$1,396$1,956

Age & race/ethnicity

Age distribution (share)

ZIP 98021ZIP 98031
Under 57.0%6.3%
5 to 1720.7%17.5%
18 to 244.6%7.4%
25 to 3412.3%16.1%
35 to 4418.8%13.7%
45 to 5414.3%12.5%
55 to 649.7%14.3%
65 to 748.0%7.7%
75 and over4.7%4.4%

Race & ethnicity (share)

ZIP 98021ZIP 98031
White (non-Hispanic)54.8%35.6%
Black or African American1.1%12.9%
American Indian & Alaska Native0.5%0.8%
Asian29.1%26.7%
Native Hawaiian & Pacific Islander0.2%1.2%
Some other race0.5%0.3%
Two or more races4.8%9.5%
Hispanic or Latino9.0%12.9%

Educational attainment (age 25+)

Share of adults 25+

ZIP 98021ZIP 98031
No high school diploma3.7%11.2%
High school graduate12.3%23.8%
Some college or associate's24.1%34.7%
Bachelor's degree33.5%22.0%
Graduate or professional degree26.4%8.4%

Commute to work

How workers get to work (share)

ZIP 98021ZIP 98031
Drove alone54.2%72.4%
Carpooled7.6%9.1%
Public transit4.8%3.4%
Walked0.8%1.0%
Bicycle0.2%0.0%
Worked from home31.1%13.0%
Other means1.4%1.1%

Housing

Units in structure (share)

ZIP 98021ZIP 98031
1-unit, detached75.5%67.1%
1-unit, attached3.9%3.7%
2 to 4 units2.7%4.6%
5 to 19 units8.4%15.8%
20 or more units2.2%4.9%
Mobile home & other7.3%3.9%

Poverty & households

ZIP 98021ZIP 98031
Poverty rate5.2%10.6%
Average household size2.912.91
Mean commute (minutes)3331
Median year structure built19961983

Full profiles

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ZIP 98021 vs ZIP 98031: Compare Population & Demographics | US Census Data