Postal Codes

99557 ZIP Code

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ZIP code 99557 covers Aniak, Alaska, with a population of about 707 and a median household income of $64,063.

Population
707
Median age
36.22.5 points below the US average
Median household income
$64,06328% below the Alaska median
Poverty rate
18.3%5.9 points above the US average
Median home value
$231,50031% below the Alaska median
Median rent
$1,5921.1× the Alaska median
Degree or higher
9.6%25.4 points below the US average
Homeownership
60.1%4.9 points below the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
8

Where 99557 is

Aniak, 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

Population707
Median age36.2
Family households70.9%
Born outside the US5%
Speaks a language other than English at home23.8%
White (non-Hispanic)16.3%
Black (non-Hispanic)5.5%
Asian (non-Hispanic)4.4%
Hispanic or Latino1.1%
Veterans9.1%
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

Median household income$64,063
Income per person$40,137
Poverty rate18.3%
Households on SNAP or cash assistance32.9%

Household income distribution

Under $10k3.8%
$10–15k0.0%
$15–20k2.8%
$20–25k3.3%
$25–30k3.3%
$30–35k8.5%
$35–40k7.5%
$40–45k6.1%
$45–50k7.5%
$50–60k3.3%
$60–75k10.3%
$75–100k11.7%
$100–125k8.0%
$125–150k3.8%
$150–200k10.8%
$200k or more9.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$231,500
Median gross rent$1,592
Rent as a share of household income27.5%
Owner-occupied60.1%
Vacant homes53.7%
Median year built1988

What the homes are

Detached house92%
Attached house0.4%
2 to 4 units3.9%
5 to 19 units2.4%
Mobile home1.3%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8.6%
Bachelor's degree or higher9.6%
High school diploma or higher81.7%
Works from home15.7%
Drives to work alone20.9%
Takes public transport0.6%
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.

Obesity39.5% 6.1 pts above the national average of 33.4%
Diagnosed diabetes13.7% 1.7 pts above the national average of 12%
Currently smokes31.6% 18.4 pts above the national average of 13.2%
High blood pressure38.3% 4.2 pts above the national average of 34.1%
Fair or poor general health32.6% 12.3 pts above the national average of 20.3%
No health insurance (18–64)16.3% 5 pts above the national average of 11.3%
Depression21.8% same as the national average of 21.9%
No leisure-time physical activity34.4% 9 pts above the national average of 25.4%
Arthritis24.9% same as the national average of 25.1%
Binge drinking16% same as the national average of 16%
Taking blood pressure medication64.1% 10.6 pts below the national average of 74.7%
Cancer (non-skin)5.5% 2.2 pts below the national average of 7.7%
Current asthma13.7% 3.3 pts above the national average of 10.4%
Coronary heart disease8.1% 1.9 pts above the national average of 6.2%
Routine check-up in past year63.9% 12.8 pts below the national average of 76.7%
Cholesterol screening70.3% 15.6 pts below the national average of 85.9%
Cognitive disability23% 8.2 pts above the national average of 14.8%
Colorectal screening51.2% 13.1 pts below the national average of 64.3%
COPD10.9% 4.3 pts above the national average of 6.6%
Visited a dentist36.7% 24.6 pts below the national average of 61.3%
Any disability43.1% 12.4 pts above the national average of 30.7%
Lacks emotional support35.9% 11.1 pts above the national average of 24.8%
Food insecurity37.3% 20.2 pts above the national average of 17.1%
Received food stamps30.6% 16.3 pts above the national average of 14.3%
Hearing disability11.6% 4.9 pts above the national average of 6.7%
High cholesterol32.7% 3.5 pts below the national average of 36.2%
Housing insecurity26.7% 12.9 pts above the national average of 13.8%
Independent living disability14.9% 6.5 pts above the national average of 8.4%
Lacks transport22% 12.8 pts above the national average of 9.2%
Loneliness37.4% 3 pts above the national average of 34.4%
Mammography use56.9% 19 pts below the national average of 75.9%
Poor mental health (14+ days)21.9% 5.1 pts above the national average of 16.8%
Mobility disability20.2% 6.2 pts above the national average of 14%
Poor physical health (14+ days)20.3% 6.8 pts above the national average of 13.5%
Self-care disability6.7% 2.7 pts above the national average of 4%
Utility shut-off threat19.5% 10.7 pts above the national average of 8.8%
Sleeps under 7 hours41.8% 5.4 pts above the national average of 36.4%
Stroke5% 1.6 pts above the national average of 3.4%
All natural teeth lost32% 19 pts above the national average of 13%
Vision disability10.8% 5.2 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments8
People employed30
Annual payroll$1,581,000
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 36.3% of US census tracts
FEMA ratingRelatively Low
Expected annual loss16.5 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.

Wildfire97.4Relatively High at its worst in this ZIP code
Cold wave91.6Relatively High at its worst in this ZIP code
Landslide88.4Relatively Low at its worst in this ZIP code
Winter weather85.2Relatively High at its worst in this ZIP code
Earthquake80.5Relatively Moderate at its worst in this ZIP code
Volcanic activity72.6Very Low at its worst in this ZIP code
Avalanche66.7Very Low at its worst in this ZIP code
Lightning44.2Relatively Low at its worst in this ZIP code
River flooding4.5Very Low at its worst in this ZIP code
Ice storm2.2Very Low at its worst in this ZIP code
Hail1Very Low at its worst in this ZIP code
Strong wind0.3Very Low at its worst in this ZIP code
Tornado0.3Very 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$64,063$89,336$78,538
Income per person$40,137$44,928$43,289
Poverty rate18.3%10.2%12.4%
Median home value$231,500$333,300$303,400
Median gross rent$1,592$1,388$1,348
Homeownership60.1%66.6%65%
Bachelor's degree or higher9.6%31.2%35%
Unemployment rate8.6%5.8%5.2%
Works from home15.7%8.8%13.5%
Born outside the US5%7.8%13.9%
Median age36.235.638.7
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%.

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

Iditarod Area School District53.5% of this ZIP code's land area
Kuspuk School District46.5% 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 status87more vulnerable than 87% of US census tracts
Household characteristics66more vulnerable than 66% of US census tracts
Racial and ethnic minority status88more vulnerable than 88% 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.

99607 Kalskag, AK42.8 km away
99626 Lower Kalskag, AK45 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 area13678.4 sq mi
Water area101.63 sq mi
Latitude, longitude61.5783, -159.5222

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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