ZIP 99631 vs ZIP 99640
A side-by-side comparison of ZIP Code 99631 and ZIP Code 99640: population, income, housing, and more.
ZIP 99631 and ZIP 99640 are ZIP Code areas in Alaska. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 99631 has the higher population (101 vs 88 in ZIP 99640). ZIP 99631 has the higher median household income ($113,889 vs $51,667 in ZIP 99640). Since 2019, ZIP 99640's population has grown faster (-36.2% vs -69.5%).
Population, income & housing
| ZIP 99631 | ZIP 99640 | |
|---|---|---|
| Population | 101 | 88 |
| Median age | 26.9 yrs | 35.5 yrs |
| Median household income | $113,889 | $51,667 |
| Median home value | — | $137,500 |
| Housing units | 185 | 118 |
| Homeownership rate | 35.7% | 20.6% |
| Bachelor's degree or higher | 69.8% | 14.5% |
| Unemployment rate | 5.8% | 31.3% |
Trends (ACS 5-year, 2019–2023)
| ZIP 99631 | ZIP 99640 | |
|---|---|---|
| Population | 331 → 101 (-69.5%) | 138 → 88 (-36.2%) |
| Median household income | $78,382 → $113,889 (+45.3%) | $38,750 → $51,667 (+33.3%) |
| Median home value | $263,200 → $271,600 (+3.2%) | $156,300 → $137,500 (-12.0%) |
| Median gross rent | — | $788 → $1,000 (+26.9%) |
ZIP 99631
331101
$78,382$113,889
$263,200$271,600
ZIP 99640
13888
$38,750$51,667
$156,300$137,500
$788$1,000
Age & race/ethnicity
Age distribution (share)
| ZIP 99631 | ZIP 99640 | |
|---|---|---|
| Under 5 | 0.0% | 10.2% |
| 5 to 17 | 0.0% | 21.6% |
| 18 to 24 | 5.0% | 5.7% |
| 25 to 34 | 53.5% | 11.4% |
| 35 to 44 | 0.0% | 13.6% |
| 45 to 54 | 7.9% | 6.8% |
| 55 to 64 | 27.7% | 10.2% |
| 65 to 74 | 0.0% | 19.3% |
| 75 and over | 5.9% | 1.1% |
Race & ethnicity (share)
| ZIP 99631 | ZIP 99640 | |
|---|---|---|
| White (non-Hispanic) | 73.3% | 2.3% |
| Black or African American | 0.0% | 3.4% |
| American Indian & Alaska Native | 0.0% | 60.2% |
| Asian | 0.0% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 18.8% | 34.1% |
| Hispanic or Latino | 7.9% | 0.0% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 99631 | ZIP 99640 | |
|---|---|---|
| No high school diploma | 8.3% | 14.5% |
| High school graduate | 11.5% | 56.4% |
| Some college or associate's | 10.4% | 14.5% |
| Bachelor's degree | 69.8% | 0.0% |
| Graduate or professional degree | 0.0% | 14.5% |
Commute to work
How workers get to work (share)
| ZIP 99631 | ZIP 99640 | |
|---|---|---|
| Drove alone | 0.0% | 0.0% |
| Carpooled | 69.0% | 0.0% |
| Public transit | 0.0% | 0.0% |
| Walked | 31.0% | 50.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 0.0% | 0.0% |
| Other means | 0.0% | 50.0% |
Housing
Units in structure (share)
| ZIP 99631 | ZIP 99640 | |
|---|---|---|
| 1-unit, detached | 73.0% | 94.1% |
| 1-unit, attached | 0.0% | 0.0% |
| 2 to 4 units | 27.0% | 5.9% |
| 5 to 19 units | 0.0% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 0.0% | 0.0% |
Poverty & households
| ZIP 99631 | ZIP 99640 | |
|---|---|---|
| Poverty rate | 0.0% | 28.4% |
| Average household size | 1.88 | 2.59 |
| Median year structure built | 1985 | 1983 |