ZIP 99131 vs ZIP 99140
A side-by-side comparison of ZIP Code 99131 and ZIP Code 99140: population, income, housing, and more.
ZIP 99131 and ZIP 99140 are ZIP Code areas in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 99140 has the higher population (506 vs 137 in ZIP 99131). ZIP 99140 has the higher median household income ($50,944 vs $36,055 in ZIP 99131). ZIP 99131 has the higher median home value ($255,000 vs $138,900 in ZIP 99140).
Population, income & housing
| ZIP 99131 | ZIP 99140 | |
|---|---|---|
| Population | 137 | 506 |
| Median age | 70.3 yrs | 51.8 yrs |
| Median household income | $36,055 | $50,944 |
| Median home value | $255,000 | $138,900 |
| Median gross rent | — | $559 |
| Housing units | 138 | 278 |
| Homeownership rate | 63.9% | 79.7% |
| Bachelor's degree or higher | 5.9% | 12.1% |
| Unemployment rate | 0.0% | 5.2% |
Trends (ACS 5-year, 2019–2023)
| ZIP 99131 | ZIP 99140 | |
|---|---|---|
| Population | 176 → 137 (-22.2%) | 432 → 506 (+17.1%) |
| Median household income | $62,188 → $36,055 (-42.0%) | $31,389 → $50,944 (+62.3%) |
| Median home value | $238,500 → $255,000 (+6.9%) | $167,900 → $138,900 (-17.3%) |
| Median gross rent | — | $434 → $559 (+28.8%) |
ZIP 99131
176137
$62,188$36,055
$238,500$255,000
ZIP 99140
432506
$31,389$50,944
$167,900$138,900
$434$559
Age & race/ethnicity
Age distribution (share)
| ZIP 99131 | ZIP 99140 | |
|---|---|---|
| Under 5 | 0.0% | 6.9% |
| 5 to 17 | 1.5% | 11.9% |
| 18 to 24 | 0.0% | 6.3% |
| 25 to 34 | 1.5% | 8.5% |
| 35 to 44 | 2.2% | 5.9% |
| 45 to 54 | 6.6% | 16.6% |
| 55 to 64 | 8.8% | 13.0% |
| 65 to 74 | 60.6% | 23.3% |
| 75 and over | 19.0% | 7.5% |
Race & ethnicity (share)
| ZIP 99131 | ZIP 99140 | |
|---|---|---|
| White (non-Hispanic) | 99.3% | 26.9% |
| Black or African American | 0.0% | 0.8% |
| American Indian & Alaska Native | 0.0% | 60.5% |
| Asian | 0.0% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 0.7% | 7.7% |
| Hispanic or Latino | 0.0% | 4.2% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 99131 | ZIP 99140 | |
|---|---|---|
| No high school diploma | 2.2% | 9.2% |
| High school graduate | 44.4% | 43.5% |
| Some college or associate's | 47.4% | 35.1% |
| Bachelor's degree | 0.0% | 8.2% |
| Graduate or professional degree | 5.9% | 4.0% |
Commute to work
How workers get to work (share)
| ZIP 99131 | ZIP 99140 | |
|---|---|---|
| Drove alone | 80.0% | 91.0% |
| Carpooled | 0.0% | 2.0% |
| Public transit | 0.0% | 0.0% |
| Walked | 20.0% | 0.5% |
| Bicycle | 0.0% | 1.5% |
| Worked from home | 0.0% | 5.0% |
| Other means | 0.0% | 0.0% |
Housing
Units in structure (share)
| ZIP 99131 | ZIP 99140 | |
|---|---|---|
| 1-unit, detached | 65.2% | 80.2% |
| 1-unit, attached | 7.2% | 1.1% |
| 2 to 4 units | 0.0% | 0.0% |
| 5 to 19 units | 0.0% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 27.5% | 18.7% |
Poverty & households
| ZIP 99131 | ZIP 99140 | |
|---|---|---|
| Poverty rate | 19.7% | 18.6% |
| Average household size | 1.41 | 2.14 |
| Mean commute (minutes) | — | 26 |
| Median year structure built | 1995 | 1977 |