Postal Codes

99641 ZIP Code

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ZIP code 99641 covers Nunapitchuk, Alaska, with a population of about 766 and a median household income of $43,750.

Population
766110 per square mile
Median age
23.415.3 points below the US average
Median household income
$43,75051% below the Alaska median
Poverty rate
29.5%17.1 points above the US average
Degree or higher
3.1%31.9 points below the US average
Homeownership
77.1%12.1 points above the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
5

Where 99641 is

Nunapitchuk, Alaska — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population766
Median age23.4
Family households86.3%
Born outside the US0%
Speaks a language other than English at home88.2%
White (non-Hispanic)0%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino1.7%
Veterans6.7%
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$43,750
Income per person$13,746
Poverty rate29.5%
Households on SNAP or cash assistance67.3%

Household income distribution

Under $10k4.6%
$10–15k3.9%
$15–20k2.6%
$20–25k14.4%
$25–30k6.5%
$30–35k9.8%
$35–40k5.2%
$40–45k3.9%
$45–50k14.4%
$50–60k5.2%
$60–75k3.9%
$75–100k9.8%
$100–125k5.9%
$125–150k2.0%
$150–200k3.9%
$200k or more3.9%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied77.1%
Vacant homes7.8%
Median year built1990

What the homes are

Detached house94%
Attached house4.2%
Mobile home1.8%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate14.9%
Bachelor's degree or higher3.1%
High school diploma or higher67.2%
Works from home2.7%
Drives to work alone0%
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.

Obesity41.6% 8.2 pts above the national average of 33.4%
Diagnosed diabetes15.9% 3.9 pts above the national average of 12%
Currently smokes36.4% 23.2 pts above the national average of 13.2%
High blood pressure39.4% 5.3 pts above the national average of 34.1%
Fair or poor general health38% 17.7 pts above the national average of 20.3%
No health insurance (18–64)18.1% 6.8 pts above the national average of 11.3%
Depression22.2% same as the national average of 21.9%
No leisure-time physical activity38% 12.6 pts above the national average of 25.4%
Arthritis24.9% same as the national average of 25.1%
Binge drinking15.6% same as the national average of 16%
Taking blood pressure medication63.6% 11.1 pts below the national average of 74.7%
Cancer (non-skin)4.8% 2.9 pts below the national average of 7.7%
Current asthma14.7% 4.3 pts above the national average of 10.4%
Coronary heart disease8.6% 2.4 pts above the national average of 6.2%
Routine check-up in past year63.2% 13.5 pts below the national average of 76.7%
Cholesterol screening65.8% 20.1 pts below the national average of 85.9%
Cognitive disability26.4% 11.6 pts above the national average of 14.8%
Colorectal screening41.5% 22.8 pts below the national average of 64.3%
COPD12.2% 5.6 pts above the national average of 6.6%
Visited a dentist33.4% 27.9 pts below the national average of 61.3%
Any disability48.5% 17.8 pts above the national average of 30.7%
Lacks emotional support38.3% 13.5 pts above the national average of 24.8%
Food insecurity47.3% 30.2 pts above the national average of 17.1%
Received food stamps39.7% 25.4 pts above the national average of 14.3%
Hearing disability12.8% 6.1 pts above the national average of 6.7%
High cholesterol32.2% 4 pts below the national average of 36.2%
Housing insecurity32% 18.2 pts above the national average of 13.8%
Independent living disability18% 9.6 pts above the national average of 8.4%
Lacks transport28.6% 19.4 pts above the national average of 9.2%
Loneliness39.3% 4.9 pts above the national average of 34.4%
Mammography use54.8% 21.1 pts below the national average of 75.9%
Poor mental health (14+ days)24% 7.2 pts above the national average of 16.8%
Mobility disability23.3% 9.3 pts above the national average of 14%
Poor physical health (14+ days)22.7% 9.2 pts above the national average of 13.5%
Self-care disability8% 4 pts above the national average of 4%
Utility shut-off threat24.5% 15.7 pts above the national average of 8.8%
Sleeps under 7 hours43.4% 7 pts above the national average of 36.4%
Stroke5.6% 2.2 pts above the national average of 3.4%
All natural teeth lost42% 29 pts above the national average of 13%
Vision disability14% 8.4 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments5
People employed57
Annual payroll$696,000
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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 98.3% of US census tracts
FEMA ratingVery High
Expected annual loss94.8 out of 100
Community resilience30 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
Wildfire93.7Relatively Moderate at its worst in this ZIP code
Lightning90.6Relatively High at its worst in this ZIP code
Landslide83.6Relatively Low at its worst in this ZIP code
Volcanic activity77.4Very Low at its worst in this ZIP code
Tsunami70.6Relatively Low at its worst in this ZIP code
Avalanche66.9Very Low at its worst in this ZIP code
Earthquake39.8Very Low at its worst in this ZIP code
River flooding39.6Relatively Low at its worst in this ZIP code
Ice storm16.8Very Low at its worst in this ZIP code
Tornado2.1Very Low at its worst in this ZIP code
Strong wind1.7Very Low at its worst in this ZIP code
Hail1.2Very 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$43,750$89,336$78,538
Income per person$13,746$44,928$43,289
Poverty rate29.5%10.2%12.4%
Median home value$333,300$303,400
Median gross rent$1,388$1,348
Homeownership77.1%66.6%65%
Bachelor's degree or higher3.1%31.2%35%
Unemployment rate14.9%5.8%5.2%
Works from home2.7%8.8%13.5%
Born outside the US0%7.8%13.9%
Median age23.435.638.7
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 stationBETHEL AP, AK US36.3 km away
Rain in a year20 in
Snow in a year64 in

Average high and low by month

January12.7°F / 1.2°F0.77 in rain, 9.4 in snow
February20.1°F / 6.5°F0.88 in rain, 8.1 in snow
March22°F / 7°F0.74 in rain, 8.8 in snow
April36.9°F / 21.2°F0.79 in rain, 6 in snow
May52°F / 34.1°F1.21 in rain, 1.9 in snow
June62.1°F / 44.5°F1.77 in rain
July63.6°F / 49°F2.57 in rain
August60.5°F / 47.3°F3.36 in rain
September52.7°F / 39.4°F2.89 in rain, 0.5 in snow
October37.9°F / 26.4°F1.84 in rain, 3.9 in snow
November24.3°F / 12.8°F1.8 in rain, 13.2 in snow
December16.3°F / 3.7°F1.06 in rain, 12.2 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 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%.

Lower Kuskokwim 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 vulnerability93more vulnerable than 93% of US census tracts
Socioeconomic status85more vulnerable than 85% of US census tracts
Household characteristics75more vulnerable than 75% of US census tracts
Racial and ethnic minority status95more vulnerable than 95% of US census tracts
Housing type and transport93more vulnerable than 93% of US census tracts
Walkability4.2 out of 20Least walkable
Nearby ZIP codes

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

99609 Kasigluk, AK3.2 km away
99634 Napakiak, AK35.4 km away
99559 Bethel, AK39.9 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.

Bethel Census Area100% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area6.99 sq mi
Water area0.97 sq mi
Population density110 people per sq mi
Latitude, longitude60.8969, -162.4594

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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