US Census Data

ZIP 99009 vs ZIP 99018

A side-by-side comparison of ZIP Code 99009 and ZIP Code 99018: population, income, housing, and more.

ZIP 99009 and ZIP 99018 are ZIP Code areas in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 99009 has the higher population (4,525 vs 308 in ZIP 99018). ZIP 99009 has the higher median household income ($74,881 vs $51,000 in ZIP 99018). ZIP 99009 has the higher median home value ($402,300 vs $309,500 in ZIP 99018).

Population, income & housing

ZIP 99009ZIP 99018
Population4,525308
Median age41.7 yrs47.6 yrs
Median household income$74,881$51,000
Median home value$402,300$309,500
Median gross rent$1,090
Housing units1,879140
Homeownership rate91.4%72.7%
Bachelor's degree or higher18.2%16.1%
Unemployment rate5.7%1.5%

Trends (ACS 5-year, 2019–2023)

ZIP 99009ZIP 99018
Population4,091 → 4,525 (+10.6%)230 → 308 (+33.9%)
Median household income$52,892 → $74,881 (+41.6%)$57,647 → $51,000 (-11.5%)
Median home value$180,700 → $402,300 (+122.6%)$191,700 → $309,500 (+61.5%)
Median gross rent$641 → $1,090 (+70.0%)$925 → $1,094 (+18.3%)

ZIP 99009

Population
4,0914,525
Median household income
$52,892$74,881
Median home value
$180,700$402,300
Median gross rent
$641$1,090

ZIP 99018

Population
230308
Median household income
$57,647$51,000
Median home value
$191,700$309,500
Median gross rent
$925$1,094

Age & race/ethnicity

Age distribution (share)

ZIP 99009ZIP 99018
Under 55.5%1.6%
5 to 1718.1%18.2%
18 to 244.9%9.7%
25 to 349.7%5.2%
35 to 4420.6%7.1%
45 to 548.6%16.6%
55 to 6416.0%22.7%
65 to 7410.1%5.8%
75 and over6.4%13.0%

Race & ethnicity (share)

ZIP 99009ZIP 99018
White (non-Hispanic)80.1%88.0%
Black or African American0.0%1.6%
American Indian & Alaska Native0.4%1.9%
Asian0.3%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%1.3%
Two or more races13.5%4.9%
Hispanic or Latino5.7%2.3%

Educational attainment (age 25+)

Share of adults 25+

ZIP 99009ZIP 99018
No high school diploma4.8%0.5%
High school graduate37.3%47.9%
Some college or associate's39.6%35.5%
Bachelor's degree14.0%7.4%
Graduate or professional degree4.3%8.8%

Commute to work

How workers get to work (share)

ZIP 99009ZIP 99018
Drove alone74.0%78.5%
Carpooled9.3%17.4%
Public transit0.0%0.0%
Walked1.0%0.0%
Bicycle0.0%0.0%
Worked from home15.8%4.1%
Other means0.0%0.0%

Housing

Units in structure (share)

ZIP 99009ZIP 99018
1-unit, detached63.9%79.3%
1-unit, attached1.5%6.4%
2 to 4 units0.0%0.0%
5 to 19 units0.0%1.4%
20 or more units0.2%0.0%
Mobile home & other34.4%12.9%

Poverty & households

ZIP 99009ZIP 99018
Poverty rate15.6%26.0%
Average household size2.712.33
Mean commute (minutes)5336
Median year structure built19811946

Full profiles

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ZIP 99009 vs ZIP 99018: Compare Population & Demographics | US Census Data