US Census Data

ZIP 99040 vs ZIP 99101

A side-by-side comparison of ZIP Code 99040 and ZIP Code 99101: population, income, housing, and more.

ZIP 99040 and ZIP 99101 are ZIP Code areas in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 99101 has the higher population (1,544 vs 535 in ZIP 99040). ZIP 99101 has the higher median household income ($72,500 vs $57,500 in ZIP 99040). ZIP 99101 has the higher median home value ($347,900 vs $180,800 in ZIP 99040).

Population, income & housing

ZIP 99040ZIP 99101
Population5351,544
Median age51.3 yrs48.3 yrs
Median household income$57,500$72,500
Median home value$180,800$347,900
Median gross rent$421$696
Housing units289765
Homeownership rate70.6%90.5%
Bachelor's degree or higher29.6%22.5%
Unemployment rate5.6%2.1%

Trends (ACS 5-year, 2019–2023)

ZIP 99040ZIP 99101
Population719 → 535 (-25.6%)1,418 → 1,544 (+8.9%)
Median household income$28,080 → $57,500 (+104.8%)$43,207 → $72,500 (+67.8%)
Median home value$100,000 → $180,800 (+80.8%)$191,600 → $347,900 (+81.6%)
Median gross rent$458 → $421 (-8.1%)$752 → $696 (-7.4%)

ZIP 99040

Population
719535
Median household income
$28,080$57,500
Median home value
$100,000$180,800
Median gross rent
$458$421

ZIP 99101

Population
1,4181,544
Median household income
$43,207$72,500
Median home value
$191,600$347,900
Median gross rent
$752$696

Age & race/ethnicity

Age distribution (share)

ZIP 99040ZIP 99101
Under 52.1%4.7%
5 to 1710.7%17.6%
18 to 249.0%3.3%
25 to 3412.7%10.9%
35 to 448.0%7.2%
45 to 5413.8%15.2%
55 to 6417.4%17.0%
65 to 7412.9%16.6%
75 and over13.5%7.5%

Race & ethnicity (share)

ZIP 99040ZIP 99101
White (non-Hispanic)17.6%88.8%
Black or African American0.0%0.3%
American Indian & Alaska Native80.6%0.8%
Asian0.0%0.3%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.2%
Two or more races1.9%3.8%
Hispanic or Latino0.0%5.8%

Educational attainment (age 25+)

Share of adults 25+

ZIP 99040ZIP 99101
No high school diploma8.4%2.7%
High school graduate28.6%41.3%
Some college or associate's33.4%33.5%
Bachelor's degree14.8%15.1%
Graduate or professional degree14.8%7.4%

Commute to work

How workers get to work (share)

ZIP 99040ZIP 99101
Drove alone83.3%81.2%
Carpooled0.0%3.2%
Public transit0.0%0.3%
Walked14.1%0.3%
Bicycle0.0%0.0%
Worked from home2.6%14.8%
Other means0.0%0.2%

Housing

Units in structure (share)

ZIP 99040ZIP 99101
1-unit, detached58.1%70.6%
1-unit, attached2.1%0.0%
2 to 4 units4.2%0.0%
5 to 19 units0.0%0.0%
20 or more units0.0%0.0%
Mobile home & other35.6%29.4%

Poverty & households

ZIP 99040ZIP 99101
Poverty rate24.0%15.2%
Average household size2.032.57
Mean commute (minutes)1629
Median year structure built19951994

Full profiles

2