US Census Data

ZIP 99121 vs ZIP 99122

A side-by-side comparison of ZIP Code 99121 and ZIP Code 99122: population, income, housing, and more.

ZIP 99121 and ZIP 99122 are ZIP Code areas in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 99122 has the higher population (4,044 vs 325 in ZIP 99121). ZIP 99121 has the higher median household income ($80,833 vs $74,300 in ZIP 99122). ZIP 99121 has the higher median home value ($420,800 vs $315,600 in ZIP 99122).

Population, income & housing

ZIP 99121ZIP 99122
Population3254,044
Median age52.4 yrs46.4 yrs
Median household income$80,833$74,300
Median home value$420,800$315,600
Median gross rent$918
Housing units1402,262
Homeownership rate81.3%78.2%
Bachelor's degree or higher47.5%25.8%
Unemployment rate0.0%5.5%

Trends (ACS 5-year, 2019–2023)

ZIP 99121ZIP 99122
Population217 → 325 (+49.8%)4,122 → 4,044 (-1.9%)
Median household income$30,341 → $80,833 (+166.4%)$58,059 → $74,300 (+28.0%)
Median home value$204,500 → $420,800 (+105.8%)$195,700 → $315,600 (+61.3%)
Median gross rent$793 → $918 (+15.8%)

ZIP 99121

Population
217325
Median household income
$30,341$80,833
Median home value
$204,500$420,800

ZIP 99122

Population
4,1224,044
Median household income
$58,059$74,300
Median home value
$195,700$315,600
Median gross rent
$793$918

Age & race/ethnicity

Age distribution (share)

ZIP 99121ZIP 99122
Under 50.0%6.3%
5 to 179.8%15.9%
18 to 2429.2%9.8%
25 to 341.5%6.2%
35 to 440.0%9.7%
45 to 5415.4%12.7%
55 to 6420.6%15.7%
65 to 7412.0%15.5%
75 and over11.4%8.2%

Race & ethnicity (share)

ZIP 99121ZIP 99122
White (non-Hispanic)96.3%85.9%
Black or African American0.0%0.3%
American Indian & Alaska Native0.9%3.0%
Asian0.0%0.5%
Native Hawaiian & Pacific Islander0.0%0.2%
Some other race0.0%0.5%
Two or more races2.8%5.6%
Hispanic or Latino0.0%4.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 99121ZIP 99122
No high school diploma1.0%6.8%
High school graduate15.7%24.7%
Some college or associate's35.9%42.8%
Bachelor's degree13.1%18.0%
Graduate or professional degree34.3%7.8%

Commute to work

How workers get to work (share)

ZIP 99121ZIP 99122
Drove alone62.5%68.5%
Carpooled27.3%12.3%
Public transit0.0%0.0%
Walked0.0%3.1%
Bicycle0.0%0.0%
Worked from home10.2%14.2%
Other means0.0%1.9%

Housing

Units in structure (share)

ZIP 99121ZIP 99122
1-unit, detached97.9%78.3%
1-unit, attached0.0%1.1%
2 to 4 units0.0%1.2%
5 to 19 units0.0%3.5%
20 or more units0.0%1.6%
Mobile home & other2.1%14.2%

Poverty & households

ZIP 99121ZIP 99122
Poverty rate10.2%8.3%
Average household size2.902.42
Mean commute (minutes)5928
Median year structure built19941978

Full profiles

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ZIP 99121 vs ZIP 99122: Compare Population & Demographics | US Census Data