US Census Data

ZIP 99115 vs ZIP 99118

A side-by-side comparison of ZIP Code 99115 and ZIP Code 99118: population, income, housing, and more.

ZIP 99115 and ZIP 99118 are ZIP Code areas in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 99115 has the higher population (1,306 vs 964 in ZIP 99118). ZIP 99118 has the higher median household income ($66,202 vs $49,519 in ZIP 99115). ZIP 99118 has the higher median home value ($306,700 vs $207,600 in ZIP 99115).

Population, income & housing

ZIP 99115ZIP 99118
Population1,306964
Median age52.6 yrs40.2 yrs
Median household income$49,519$66,202
Median home value$207,600$306,700
Median gross rent$726$856
Housing units974510
Homeownership rate71.6%73.4%
Bachelor's degree or higher20.3%18.0%
Unemployment rate5.9%4.6%

Trends (ACS 5-year, 2019–2023)

ZIP 99115ZIP 99118
Population1,060 → 1,306 (+23.2%)718 → 964 (+34.3%)
Median household income$51,964 → $49,519 (-4.7%)$38,304 → $66,202 (+72.8%)
Median home value$140,300 → $207,600 (+48.0%)$227,100 → $306,700 (+35.1%)
Median gross rent$575 → $726 (+26.3%)$808 → $856 (+5.9%)

ZIP 99115

Population
1,0601,306
Median household income
$51,964$49,519
Median home value
$140,300$207,600
Median gross rent
$575$726

ZIP 99118

Population
718964
Median household income
$38,304$66,202
Median home value
$227,100$306,700
Median gross rent
$808$856

Age & race/ethnicity

Age distribution (share)

ZIP 99115ZIP 99118
Under 57.3%7.5%
5 to 1710.0%21.3%
18 to 246.6%7.9%
25 to 3414.1%9.6%
35 to 443.2%7.8%
45 to 5410.4%11.1%
55 to 6411.4%15.2%
65 to 7422.1%13.7%
75 and over15.0%5.9%

Race & ethnicity (share)

ZIP 99115ZIP 99118
White (non-Hispanic)86.6%75.8%
Black or African American0.0%0.1%
American Indian & Alaska Native0.8%0.0%
Asian0.8%0.1%
Native Hawaiian & Pacific Islander0.0%0.6%
Some other race0.2%2.9%
Two or more races10.9%12.1%
Hispanic or Latino0.7%8.3%

Educational attainment (age 25+)

Share of adults 25+

ZIP 99115ZIP 99118
No high school diploma10.4%3.3%
High school graduate33.3%33.4%
Some college or associate's36.1%45.3%
Bachelor's degree16.0%12.1%
Graduate or professional degree4.3%5.9%

Commute to work

How workers get to work (share)

ZIP 99115ZIP 99118
Drove alone71.9%70.2%
Carpooled6.0%24.0%
Public transit0.0%0.3%
Walked3.2%2.4%
Bicycle0.0%0.0%
Worked from home16.2%1.0%
Other means2.7%2.1%

Housing

Units in structure (share)

ZIP 99115ZIP 99118
1-unit, detached59.3%84.9%
1-unit, attached0.0%0.0%
2 to 4 units0.8%0.0%
5 to 19 units0.9%0.0%
20 or more units0.7%0.0%
Mobile home & other38.2%15.1%

Poverty & households

ZIP 99115ZIP 99118
Poverty rate10.9%24.3%
Average household size2.442.30
Mean commute (minutes)2030
Median year structure built19731992

Full profiles

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ZIP 99115 vs ZIP 99118: Compare Population & Demographics | US Census Data