Postal Codes

99685 ZIP Code

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ZIP code 99685 covers Unalaska, Alaska, with a population of about 3,690 and a median household income of $119,063.

Population
3,69066 per square mile
Median age
38.10.6 points below the US average
Median household income
$119,0631.3× the Alaska median
Poverty rate
8.2%4.2 points below the US average
Median home value
$448,7001.3× the Alaska median
Median rent
$2,0511.5× the Alaska median
Degree or higher
20.1%14.9 points below the US average
Homeownership
31.8%33.2 points below the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
40

Where 99685 is

Unalaska, Alaska — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population3,690
Median age38.1
Family households60%
Born outside the US48.8%
Speaks a language other than English at home59%
White (non-Hispanic)22.3%
Black (non-Hispanic)6.3%
Asian (non-Hispanic)44.1%
Hispanic or Latino14.7%
Veterans4.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$119,063
Income per person$52,695
Poverty rate8.2%
Households on SNAP or cash assistance5.2%

Household income distribution

Under $10k1.6%
$10–15k1.7%
$15–20k0.7%
$20–25k1.3%
$25–30k1.3%
$30–35k1.0%
$35–40k1.2%
$40–45k1.7%
$45–50k2.9%
$50–60k2.2%
$60–75k9.7%
$75–100k14.9%
$100–125k11.6%
$125–150k18.4%
$150–200k14.0%
$200k or more15.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$448,700
Median gross rent$2,051
Rent as a share of household income21.5%
Owner-occupied31.8%
Vacant homes17.4%
Median year built1992

What the homes are

Detached house28.8%
Attached house3.3%
2 to 4 units29.2%
5 to 19 units24.1%
20 or more units11.8%
Mobile home2.7%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.7%
Bachelor's degree or higher20.1%
High school diploma or higher91.2%
Works from home7.9%
Drives to work alone56.7%
Takes public transport0%
Commutes 45 minutes or more0.4%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity32.8% 0.6 pts below the national average of 33.4%
Diagnosed diabetes9.5% 2.5 pts below the national average of 12%
Currently smokes16.2% 3 pts above the national average of 13.2%
High blood pressure28.6% 5.5 pts below the national average of 34.1%
Fair or poor general health17.4% 2.9 pts below the national average of 20.3%
No health insurance (18–64)12.6% 1.3 pts above the national average of 11.3%
Depression14.8% 7.1 pts below the national average of 21.9%
No leisure-time physical activity23.8% 1.6 pts below the national average of 25.4%
Arthritis15% 10.1 pts below the national average of 25.1%
Binge drinking20.2% 4.2 pts above the national average of 16%
Taking blood pressure medication60.9% 13.8 pts below the national average of 74.7%
Cancer (non-skin)3.7% 4 pts below the national average of 7.7%
Current asthma8.2% 2.2 pts below the national average of 10.4%
Coronary heart disease4% 2.2 pts below the national average of 6.2%
Routine check-up in past year62.1% 14.6 pts below the national average of 76.7%
Cholesterol screening76.9% 9 pts below the national average of 85.9%
Cognitive disability12.5% 2.3 pts below the national average of 14.8%
Colorectal screening48% 16.3 pts below the national average of 64.3%
COPD4.1% 2.5 pts below the national average of 6.6%
Visited a dentist53.9% 7.4 pts below the national average of 61.3%
Any disability23.4% 7.3 pts below the national average of 30.7%
Lacks emotional support32.8% 8 pts above the national average of 24.8%
Food insecurity16.2% 0.9 pts below the national average of 17.1%
Received food stamps9.1% 5.2 pts below the national average of 14.3%
Hearing disability5.3% 1.4 pts below the national average of 6.7%
High cholesterol31.8% 4.4 pts below the national average of 36.2%
Housing insecurity13.7% same as the national average of 13.8%
Independent living disability6% 2.4 pts below the national average of 8.4%
Lacks transport8.8% same as the national average of 9.2%
Loneliness37.2% 2.8 pts above the national average of 34.4%
Mammography use65.4% 10.5 pts below the national average of 75.9%
Poor mental health (14+ days)14% 2.8 pts below the national average of 16.8%
Mobility disability8.7% 5.3 pts below the national average of 14%
Poor physical health (14+ days)11.2% 2.3 pts below the national average of 13.5%
Self-care disability2.9% 1.1 pts below the national average of 4%
Utility shut-off threat8.2% 0.6 pts below the national average of 8.8%
Sleeps under 7 hours39.6% 3.2 pts above the national average of 36.4%
Stroke2.3% 1.1 pts below the national average of 3.4%
All natural teeth lost13.5% 0.5 pts above the national average of 13%
Vision disability4.3% 1.3 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments40
People employed511
Annual payroll$30,125,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 99.6% of US census tracts
FEMA ratingVery High
Expected annual loss99.5 out of 100
Community resilience0.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Volcanic activity100Very High at its worst in this ZIP code
Earthquake99.3Very High at its worst in this ZIP code
Landslide99.3Relatively High at its worst in this ZIP code
Tsunami97Relatively High at its worst in this ZIP code
Winter weather88.2Relatively High at its worst in this ZIP code
Avalanche76.2Relatively Low at its worst in this ZIP code
Ice storm23.1Very Low at its worst in this ZIP code
Lightning0.2Very Low at its worst in this ZIP code
Tornado0.2Very Low at its worst in this ZIP code
Compared with Alaska and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPAlaskaUnited States
Median household income$119,063$89,336$78,538
Income per person$52,695$44,928$43,289
Poverty rate8.2%10.2%12.4%
Median home value$448,700$333,300$303,400
Median gross rent$2,051$1,388$1,348
Homeownership31.8%66.6%65%
Bachelor's degree or higher20.1%31.2%35%
Unemployment rate3.7%5.8%5.2%
Works from home7.9%8.8%13.5%
Born outside the US48.8%7.8%13.9%
Median age38.135.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationDUTCH HARBOR, AK US1.8 km away
Rain in a year60 in
Snow in a year82 in

Average high and low by month

January37.3°F / 28.7°F6.79 in rain, 22 in snow
February38.6°F / 29.4°F5.18 in rain, 14.2 in snow
March38.9°F / 29.2°F4.65 in rain, 16.5 in snow
April41.8°F / 32.5°F3.47 in rain, 6.3 in snow
May46.7°F / 37.4°F4.2 in rain, 0.2 in snow
June52.3°F / 42.4°F2.52 in rain
July57.4°F / 46.6°F2.3 in rain
August59.3°F / 48.1°F2.86 in rain
September54.6°F / 44.2°F5.73 in rain
October48.1°F / 38.4°F7.89 in rain, 0.4 in snow
November43.3°F / 33.2°F6.66 in rain, 6.2 in snow
December39.3°F / 30.6°F7.88 in rain, 15.8 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Unalaska City School District98.3% of this ZIP code's land area
Aleutian Region School District1.7% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability66more vulnerable than 66% of US census tracts
Socioeconomic status43more vulnerable than 43% of US census tracts
Household characteristics10more vulnerable than 10% of US census tracts
Racial and ethnic minority status84more vulnerable than 84% of US census tracts
Housing type and transport99more vulnerable than 99% of US census tracts
Walkability3.8 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

99692 Dutch Harbor, AK1.5 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Aleutians West Census Area100% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area56.32 sq mi
Water area7.44 sq mi
Population density66 people per sq mi
Latitude, longitude53.8871, -166.5199

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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