Postal Codes

99684 ZIP Code

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ZIP code 99684 covers Unalakleet, Alaska, with a population of about 821.

Population
821
Median age
38.5about the US average
Poverty rate
12.4%about the US average
Degree or higher
44.4%9.4 points above the US average
Homeownership
57.7%7.3 points below the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
18

Where 99684 is

Unalakleet, 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

Population821
Median age38.5
Family households80.6%
Born outside the US0.5%
Speaks a language other than English at home17.7%
White (non-Hispanic)24.5%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.5%
Hispanic or Latino0%
Veterans10.1%
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

Income per person$43,007
Poverty rate12.4%
Households on SNAP or cash assistance28.6%

Household income distribution

Under $10k3.6%
$10–15k3.6%
$15–20k1.0%
$20–25k3.1%
$25–30k11.2%
$30–35k3.6%
$35–40k1.0%
$40–45k1.0%
$45–50k4.6%
$50–60k3.1%
$60–75k7.7%
$75–100k6.1%
$100–125k10.2%
$125–150k14.8%
$150–200k10.2%
$200k or more15.3%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied57.7%
Vacant homes40.8%
Median year built1984

What the homes are

Detached house87.9%
Attached house3.9%
2 to 4 units5.7%
5 to 19 units2.4%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8%
Bachelor's degree or higher44.4%
High school diploma or higher94.8%
Works from home9.8%
Drives to work alone26.2%
Takes public transport0%
Commutes 45 minutes or more0%
Health

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

Obesity44% 10.6 pts above the national average of 33.4%
Diagnosed diabetes17.5% 5.5 pts above the national average of 12%
Currently smokes37.1% 23.9 pts above the national average of 13.2%
High blood pressure40.1% 6 pts above the national average of 34.1%
Fair or poor general health35.9% 15.6 pts above the national average of 20.3%
No health insurance (18–64)15.6% 4.3 pts above the national average of 11.3%
Depression21.8% same as the national average of 21.9%
No leisure-time physical activity36.5% 11.1 pts above the national average of 25.4%
Arthritis27.9% 2.8 pts above the national average of 25.1%
Binge drinking16.5% 0.5 pts above the national average of 16%
Taking blood pressure medication70.3% 4.4 pts below the national average of 74.7%
Cancer (non-skin)5.9% 1.8 pts below the national average of 7.7%
Current asthma13.8% 3.4 pts above the national average of 10.4%
Coronary heart disease9.5% 3.3 pts above the national average of 6.2%
Routine check-up in past year65.7% 11 pts below the national average of 76.7%
Cholesterol screening72.7% 13.2 pts below the national average of 85.9%
Cognitive disability23.1% 8.3 pts above the national average of 14.8%
Colorectal screening47.4% 16.9 pts below the national average of 64.3%
COPD12.6% 6 pts above the national average of 6.6%
Visited a dentist34.8% 26.5 pts below the national average of 61.3%
Any disability46% 15.3 pts above the national average of 30.7%
Lacks emotional support32.4% 7.6 pts above the national average of 24.8%
Food insecurity42% 24.9 pts above the national average of 17.1%
Received food stamps36.6% 22.3 pts above the national average of 14.3%
Hearing disability12.9% 6.2 pts above the national average of 6.7%
High cholesterol35.2% 1 pts below the national average of 36.2%
Housing insecurity28.7% 14.9 pts above the national average of 13.8%
Independent living disability16.1% 7.7 pts above the national average of 8.4%
Lacks transport23.7% 14.5 pts above the national average of 9.2%
Loneliness35.6% 1.2 pts above the national average of 34.4%
Mammography use51.9% 24 pts below the national average of 75.9%
Poor mental health (14+ days)22% 5.2 pts above the national average of 16.8%
Mobility disability23.5% 9.5 pts above the national average of 14%
Poor physical health (14+ days)21.8% 8.3 pts above the national average of 13.5%
Self-care disability7.9% 3.9 pts above the national average of 4%
Utility shut-off threat23.2% 14.4 pts above the national average of 8.8%
Sleeps under 7 hours45.7% 9.3 pts above the national average of 36.4%
Stroke6% 2.6 pts above the national average of 3.4%
All natural teeth lost33% 20 pts above the national average of 13%
Vision disability12.7% 7.1 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments18
People employed157
Annual payroll$6,971,000
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 98.5% of US census tracts
FEMA ratingVery High
Expected annual loss95 out of 100
Community resilience13.4 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.

Cold wave100Very High at its worst in this ZIP code
Winter weather100Very High at its worst in this ZIP code
Landslide99Relatively Moderate at its worst in this ZIP code
Volcanic activity98.1Relatively Moderate at its worst in this ZIP code
Wildfire90.4Relatively Moderate at its worst in this ZIP code
Earthquake83.4Relatively Moderate at its worst in this ZIP code
Avalanche49.1Very Low at its worst in this ZIP code
Lightning42.6Relatively Low at its worst in this ZIP code
River flooding31.4Relatively Low at its worst in this ZIP code
Ice storm29.9Very 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$89,336$78,538
Income per person$43,007$44,928$43,289
Poverty rate12.4%10.2%12.4%
Median home value$333,300$303,400
Median gross rent$1,388$1,348
Homeownership57.7%66.6%65%
Bachelor's degree or higher44.4%31.2%35%
Unemployment rate8%5.8%5.2%
Works from home9.8%8.8%13.5%
Born outside the US0.5%7.8%13.9%
Median age38.535.638.7
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 supermarket100% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket100% of this ZIP code's area
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%.

Bering Strait School District100% 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 vulnerability92more vulnerable than 92% of US census tracts
Socioeconomic status88more vulnerable than 88% of US census tracts
Household characteristics54more vulnerable than 54% of US census tracts
Racial and ethnic minority status94more vulnerable than 94% of US census tracts
Housing type and transport96more vulnerable than 96% of US census tracts
Walkability5.7 out of 20Least walkable
Nearby ZIP codes

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

99771 Shaktoolik, AK55.9 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.

Nome Census Area100% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area1830.34 sq mi
Water area5.64 sq mi
Latitude, longitude63.8835, -160.7884

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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