Postal Codes

99653 ZIP Code

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ZIP code 99653 covers Port Alsworth, Alaska.

Median age
33.45.3 points below the US average
Poverty rate
5.7%6.7 points below the US average
Degree or higher
13.4%21.6 points below the US average
Homeownership
43.8%21.2 points below the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
15

Where 99653 is

Port Alsworth, 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

Median age33.4
Family households62.5%
Born outside the US12.1%
Speaks a language other than English at home2.9%
White (non-Hispanic)19.5%
Black (non-Hispanic)11.5%
Asian (non-Hispanic)0%
Hispanic or Latino5.2%
Veterans0%
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

Poverty rate5.7%
Households on SNAP or cash assistance6.2%

Household income distribution

Under $10k0.0%
$10–15k28.1%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k9.4%
$35–40k0.0%
$40–45k0.0%
$45–50k6.2%
$50–60k0.0%
$60–75k9.4%
$75–100k15.6%
$100–125k6.2%
$125–150k15.6%
$150–200k9.4%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied43.8%
Vacant homes59.5%
Median year built1990

What the homes are

Detached house88.6%
2 to 4 units11.4%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate11.1%
Bachelor's degree or higher13.4%
High school diploma or higher97.6%
Works from home1.6%
Drives to work alone72.7%
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.

Obesity36.7% 3.3 pts above the national average of 33.4%
Diagnosed diabetes8.3% 3.7 pts below the national average of 12%
Currently smokes22% 8.8 pts above the national average of 13.2%
High blood pressure29.2% 4.9 pts below the national average of 34.1%
Fair or poor general health21.5% 1.2 pts above the national average of 20.3%
No health insurance (18–64)12.1% 0.8 pts above the national average of 11.3%
Depression22.3% same as the national average of 21.9%
No leisure-time physical activity24.5% 0.9 pts below the national average of 25.4%
Arthritis19.6% 5.5 pts below the national average of 25.1%
Binge drinking20.7% 4.7 pts above the national average of 16%
Taking blood pressure medication60.3% 14.4 pts below the national average of 74.7%
Cancer (non-skin)5.1% 2.6 pts below the national average of 7.7%
Current asthma11.2% 0.8 pts above the national average of 10.4%
Coronary heart disease5.2% 1 pts below the national average of 6.2%
Routine check-up in past year62.3% 14.4 pts below the national average of 76.7%
Cholesterol screening72% 13.9 pts below the national average of 85.9%
Cognitive disability18.4% 3.6 pts above the national average of 14.8%
Colorectal screening47.1% 17.2 pts below the national average of 64.3%
COPD6.8% same as the national average of 6.6%
Visited a dentist53.5% 7.8 pts below the national average of 61.3%
Any disability32.4% 1.7 pts above the national average of 30.7%
Lacks emotional support27.8% 3 pts above the national average of 24.8%
Food insecurity20.1% 3 pts above the national average of 17.1%
Received food stamps15.5% 1.2 pts above the national average of 14.3%
Hearing disability7.4% 0.7 pts above the national average of 6.7%
High cholesterol28.5% 7.7 pts below the national average of 36.2%
Housing insecurity16% 2.2 pts above the national average of 13.8%
Independent living disability9.9% 1.5 pts above the national average of 8.4%
Lacks transport12.6% 3.4 pts above the national average of 9.2%
Loneliness35.2% 0.8 pts above the national average of 34.4%
Mammography use63.4% 12.5 pts below the national average of 75.9%
Poor mental health (14+ days)19.5% 2.7 pts above the national average of 16.8%
Mobility disability12% 2 pts below the national average of 14%
Poor physical health (14+ days)14.5% 1 pts above the national average of 13.5%
Self-care disability4.1% same as the national average of 4%
Utility shut-off threat11.7% 2.9 pts above the national average of 8.8%
Sleeps under 7 hours36.8% same as the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost13.4% same as the national average of 13%
Vision disability5.8% same as the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments15
People employed222
Annual payroll$6,166,000
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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 87.2% of US census tracts
FEMA ratingRelatively High
Expected annual loss70.3 out of 100
Community resilience6.9 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 activity98.2Relatively Moderate at its worst in this ZIP code
Landslide96.2Relatively Moderate at its worst in this ZIP code
Winter weather95.7Relatively High at its worst in this ZIP code
Cold wave95.1Relatively High at its worst in this ZIP code
Earthquake93.8Relatively High at its worst in this ZIP code
Tsunami93Relatively Moderate at its worst in this ZIP code
Wildfire90.4Relatively Moderate at its worst in this ZIP code
Avalanche69.2Very Low at its worst in this ZIP code
Lightning13.7Very Low at its worst in this ZIP code
Ice storm5.1Very Low at its worst in this ZIP code
Tornado0.3Very Low at its worst in this ZIP code
Hail0.1Very Low at its worst in this ZIP code
River flooding0.1Very 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$44,928$43,289
Poverty rate5.7%10.2%12.4%
Median home value$333,300$303,400
Median gross rent$1,388$1,348
Homeownership43.8%66.6%65%
Bachelor's degree or higher13.4%31.2%35%
Unemployment rate11.1%5.8%5.2%
Works from home1.6%8.8%13.5%
Born outside the US12.1%7.8%13.9%
Median age33.435.638.7
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 stationPORT ALSWORTH, AK US0.2 km away
Rain in a year13 in
Snow in a year88 in

Average high and low by month

January24°F / 9.5°F0.7 in rain, 13.9 in snow
February30.2°F / 14.8°F0.85 in rain, 13.1 in snow
March34.9°F / 15.4°F0.63 in rain, 12.1 in snow
April47.3°F / 29.7°F0.5 in rain, 7.2 in snow
May58.6°F / 38.6°F0.43 in rain, 0.8 in snow
June66.8°F / 46.6°F0.73 in rain
July69.1°F / 51.6°F1.35 in rain
August66°F / 49.3°F1.7 in rain
September57.1°F / 42.3°F2.57 in rain, 0.3 in snow
October44.3°F / 31.9°F1.32 in rain, 4.9 in snow
November32.2°F / 21.2°F1.31 in rain, 17.3 in snow
December26.6°F / 14.7°F0.98 in rain, 18.3 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%.

Lake and Peninsula Borough 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 vulnerability87more vulnerable than 87% of US census tracts
Socioeconomic status71more vulnerable than 71% of US census tracts
Household characteristics62more vulnerable than 62% of US census tracts
Racial and ethnic minority status86more vulnerable than 86% of US census tracts
Housing type and transport96more vulnerable than 96% of US census tracts
Walkability6.1 out of 20Below average
Nearby ZIP codes

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

99640 Nondalton, AK39 km away
99647 Pedro Bay, AK39.4 km away
99606 Iliamna, AK57.5 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.

Lake and Peninsula Borough100% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area22.56 sq mi
Water area0.15 sq mi
Latitude, longitude60.2025, -154.3128

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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