US Census Data

ZIP 99031 vs ZIP 99039

A side-by-side comparison of ZIP Code 99031 and ZIP Code 99039: population, income, housing, and more.

ZIP 99031 and ZIP 99039 are ZIP Code areas in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 99031 has the higher population (1,434 vs 163 in ZIP 99039). ZIP 99031 has the higher median household income ($95,089 vs $65,703 in ZIP 99039). ZIP 99031 has the higher median home value ($330,100 vs $191,700 in ZIP 99039).

Population, income & housing

ZIP 99031ZIP 99039
Population1,434163
Median age49.2 yrs46.3 yrs
Median household income$95,089$65,703
Median home value$330,100$191,700
Median gross rent$688$925
Housing units51061
Homeownership rate88.6%82.0%
Bachelor's degree or higher23.9%22.1%
Unemployment rate6.7%2.2%

Trends (ACS 5-year, 2019–2023)

ZIP 99031ZIP 99039
Population1,405 → 1,434 (+2.1%)72 → 163 (+126.4%)
Median household income$75,375 → $95,089 (+26.2%)$42,500 → $65,703 (+54.6%)
Median home value$244,000 → $330,100 (+35.3%)$102,100 → $191,700 (+87.8%)
Median gross rent$639 → $688 (+7.7%)$525 → $925 (+76.2%)

ZIP 99031

Population
1,4051,434
Median household income
$75,375$95,089
Median home value
$244,000$330,100
Median gross rent
$639$688

ZIP 99039

Population
72163
Median household income
$42,500$65,703
Median home value
$102,100$191,700
Median gross rent
$525$925

Age & race/ethnicity

Age distribution (share)

ZIP 99031ZIP 99039
Under 53.6%6.1%
5 to 178.2%10.4%
18 to 245.5%14.1%
25 to 3413.1%7.4%
35 to 4412.6%9.2%
45 to 5417.6%30.1%
55 to 6423.4%6.1%
65 to 749.2%14.7%
75 and over6.6%1.8%

Race & ethnicity (share)

ZIP 99031ZIP 99039
White (non-Hispanic)90.0%87.7%
Black or African American0.0%0.0%
American Indian & Alaska Native0.0%0.6%
Asian1.3%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race1.3%0.0%
Two or more races3.6%11.0%
Hispanic or Latino4.0%0.6%

Educational attainment (age 25+)

Share of adults 25+

ZIP 99031ZIP 99039
No high school diploma2.5%2.7%
High school graduate28.1%35.4%
Some college or associate's45.5%39.8%
Bachelor's degree17.1%15.9%
Graduate or professional degree6.8%6.2%

Commute to work

How workers get to work (share)

ZIP 99031ZIP 99039
Drove alone68.5%91.1%
Carpooled15.6%4.4%
Public transit0.0%0.0%
Walked7.0%2.2%
Bicycle0.0%0.0%
Worked from home5.8%2.2%
Other means3.1%0.0%

Housing

Units in structure (share)

ZIP 99031ZIP 99039
1-unit, detached65.7%26.2%
1-unit, attached0.0%0.0%
2 to 4 units2.0%3.3%
5 to 19 units0.0%0.0%
20 or more units0.0%0.0%
Mobile home & other32.4%70.5%

Poverty & households

ZIP 99031ZIP 99039
Poverty rate15.6%9.2%
Average household size2.602.67
Mean commute (minutes)2726
Median year structure built19801985

Full profiles

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