US Census Data

ZIP 98331 vs ZIP 98340

A side-by-side comparison of ZIP Code 98331 and ZIP Code 98340: population, income, housing, and more.

ZIP 98331 and ZIP 98340 are ZIP Code areas in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 98331 has the higher population (5,526 vs 2,834 in ZIP 98340). ZIP 98340 has the higher median household income ($79,286 vs $48,313 in ZIP 98331). ZIP 98340 has the higher median home value ($460,700 vs $194,700 in ZIP 98331).

Population, income & housing

ZIP 98331ZIP 98340
Population5,5262,834
Median age43.1 yrs68.5 yrs
Median household income$48,313$79,286
Median home value$194,700$460,700
Median gross rent$850
Housing units2,8081,969
Homeownership rate59.6%90.2%
Bachelor's degree or higher19.1%41.4%
Unemployment rate6.2%9.4%

Trends (ACS 5-year, 2019–2023)

ZIP 98331ZIP 98340
Population6,482 → 5,526 (-14.7%)2,879 → 2,834 (-1.6%)
Median household income$41,619 → $48,313 (+16.1%)$70,238 → $79,286 (+12.9%)
Median home value$173,600 → $194,700 (+12.2%)$294,900 → $460,700 (+56.2%)
Median gross rent$647 → $850 (+31.4%)$948 → $2,259 (+138.3%)

ZIP 98331

Population
6,4825,526
Median household income
$41,619$48,313
Median home value
$173,600$194,700
Median gross rent
$647$850

ZIP 98340

Population
2,8792,834
Median household income
$70,238$79,286
Median home value
$294,900$460,700
Median gross rent
$948$2,259

Age & race/ethnicity

Age distribution (share)

ZIP 98331ZIP 98340
Under 56.0%2.4%
5 to 1711.9%3.0%
18 to 245.8%1.7%
25 to 3417.3%3.5%
35 to 4413.1%4.2%
45 to 5412.4%8.7%
55 to 6412.4%15.6%
65 to 7414.8%36.3%
75 and over6.3%24.5%

Race & ethnicity (share)

ZIP 98331ZIP 98340
White (non-Hispanic)63.8%94.2%
Black or African American1.2%0.0%
American Indian & Alaska Native4.7%0.0%
Asian4.3%1.5%
Native Hawaiian & Pacific Islander0.1%0.0%
Some other race0.0%0.0%
Two or more races8.3%3.2%
Hispanic or Latino17.5%1.1%

Educational attainment (age 25+)

Share of adults 25+

ZIP 98331ZIP 98340
No high school diploma15.0%3.0%
High school graduate33.1%20.1%
Some college or associate's32.7%35.5%
Bachelor's degree12.5%25.1%
Graduate or professional degree6.7%16.2%

Commute to work

How workers get to work (share)

ZIP 98331ZIP 98340
Drove alone63.2%70.1%
Carpooled11.8%3.4%
Public transit0.7%7.5%
Walked8.1%0.0%
Bicycle0.4%0.0%
Worked from home15.6%15.5%
Other means0.2%3.6%

Housing

Units in structure (share)

ZIP 98331ZIP 98340
1-unit, detached51.9%90.5%
1-unit, attached3.2%5.4%
2 to 4 units1.4%0.0%
5 to 19 units8.8%0.0%
20 or more units0.6%0.0%
Mobile home & other34.1%4.1%

Poverty & households

ZIP 98331ZIP 98340
Poverty rate21.8%3.8%
Average household size2.192.04
Mean commute (minutes)1942
Median year structure built19771993

Full profiles

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