Postal Codes

99660 ZIP Code

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ZIP code 99660 covers Saint Paul Island, Alaska, with a population of about 362 and a median household income of $98,750.

Population
3629 per square mile
Median household income
$98,7501.1× the Alaska median
Poverty rate
24.3%11.9 points above the US average
Median rent
$96730% below the Alaska median
Degree or higher
12.9%22.1 points below the US average
Homeownership
65.6%0.6 points above the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
4

Where 99660 is

Saint Paul Island, 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

Population362
Family households54.1%
Born outside the US1.1%
Speaks a language other than English at home9.6%
White (non-Hispanic)18.2%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.8%
Hispanic or Latino9.7%
Veterans11.7%
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$98,750
Income per person$33,844
Poverty rate24.3%
Households on SNAP or cash assistance19.7%

Household income distribution

Under $10k9.8%
$10–15k1.6%
$15–20k1.6%
$20–25k3.3%
$25–30k0.0%
$30–35k0.0%
$35–40k1.6%
$40–45k0.0%
$45–50k1.6%
$50–60k8.2%
$60–75k3.3%
$75–100k19.7%
$100–125k6.6%
$125–150k16.4%
$150–200k24.6%
$200k or more1.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$967
Rent as a share of household income16.3%
Owner-occupied65.6%
Vacant homes37.8%
Median year built1979

What the homes are

Detached house82.7%
Attached house1%
2 to 4 units7.1%
5 to 19 units8.2%
Mobile home1%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.6%
Bachelor's degree or higher12.9%
High school diploma or higher97.2%
Works from home4.6%
Drives to work alone46.3%
Takes public transport0%
Commutes 45 minutes or more1.9%
Health

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

Obesity43.6% 10.2 pts above the national average of 33.4%
Diagnosed diabetes15.9% 3.9 pts above the national average of 12%
Currently smokes28.8% 15.6 pts above the national average of 13.2%
High blood pressure38.9% 4.8 pts above the national average of 34.1%
Fair or poor general health28.6% 8.3 pts above the national average of 20.3%
No health insurance (18–64)11.9% 0.6 pts above the national average of 11.3%
Depression19.9% 2 pts below the national average of 21.9%
No leisure-time physical activity30.1% 4.7 pts above the national average of 25.4%
Arthritis25.8% 0.7 pts above the national average of 25.1%
Binge drinking17.7% 1.7 pts above the national average of 16%
Taking blood pressure medication68.5% 6.2 pts below the national average of 74.7%
Cancer (non-skin)5.9% 1.8 pts below the national average of 7.7%
Current asthma13.1% 2.7 pts above the national average of 10.4%
Coronary heart disease7.9% 1.7 pts above the national average of 6.2%
Routine check-up in past year67.1% 9.6 pts below the national average of 76.7%
Cholesterol screening77.3% 8.6 pts below the national average of 85.9%
Cognitive disability18.5% 3.7 pts above the national average of 14.8%
Colorectal screening48.6% 15.7 pts below the national average of 64.3%
COPD8.7% 2.1 pts above the national average of 6.6%
Visited a dentist43.4% 17.9 pts below the national average of 61.3%
Any disability38.6% 7.9 pts above the national average of 30.7%
Lacks emotional support33.5% 8.7 pts above the national average of 24.8%
Food insecurity30.5% 13.4 pts above the national average of 17.1%
Received food stamps22% 7.7 pts above the national average of 14.3%
Hearing disability11.1% 4.4 pts above the national average of 6.7%
High cholesterol34% 2.2 pts below the national average of 36.2%
Housing insecurity23% 9.2 pts above the national average of 13.8%
Independent living disability11.8% 3.4 pts above the national average of 8.4%
Lacks transport18.1% 8.9 pts above the national average of 9.2%
Loneliness38.7% 4.3 pts above the national average of 34.4%
Mammography use60.1% 15.8 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 disability18.8% 4.8 pts above the national average of 14%
Poor physical health (14+ days)18.8% 5.3 pts above the national average of 13.5%
Self-care disability5.6% 1.6 pts above the national average of 4%
Utility shut-off threat17% 8.2 pts above the national average of 8.8%
Sleeps under 7 hours44% 7.6 pts above the national average of 36.4%
Stroke4.8% 1.4 pts above the national average of 3.4%
All natural teeth lost19.9% 6.9 pts above the national average of 13%
Vision disability9% 3.4 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments4
People employed243
Annual payroll$6,760,000
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 99.9% of US census tracts
FEMA ratingVery High
Expected annual loss99.8 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.

Tsunami99.4Very High at its worst in this ZIP code
Volcanic activity99.3Relatively High at its worst in this ZIP code
Landslide96.5Relatively Moderate at its worst in this ZIP code
Earthquake93.1Relatively High at its worst in this ZIP code
Winter weather67.6Relatively Moderate at its worst in this ZIP code
Cold wave16.2Very Low at its worst in this ZIP code
Ice storm8.1Very Low at its worst in this ZIP code
Lightning0.3Very 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$98,750$89,336$78,538
Income per person$33,844$44,928$43,289
Poverty rate24.3%10.2%12.4%
Median home value$333,300$303,400
Median gross rent$967$1,388$1,348
Homeownership65.6%66.6%65%
Bachelor's degree or higher12.9%31.2%35%
Unemployment rate1.6%5.8%5.2%
Works from home4.6%8.8%13.5%
Born outside the US1.1%7.8%13.9%
Median age35.638.7
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 stationST PAUL ISLAND AP, AK US4.6 km away
Rain in a year24 in
Snow in a year64 in

Average high and low by month

January29.2°F / 21.4°F1.61 in rain, 16.5 in snow
February29.4°F / 21.2°F1.43 in rain, 11.1 in snow
March29.5°F / 20.8°F1.29 in rain, 9.6 in snow
April34.1°F / 26.1°F1.04 in rain, 5.3 in snow
May40.8°F / 32.4°F1.02 in rain, 0.8 in snow
June47.5°F / 38.7°F1.31 in rain
July51.6°F / 44.2°F1.98 in rain
August53°F / 46.1°F3.06 in rain
September50.1°F / 41.9°F3 in rain
October43.6°F / 35.3°F3.32 in rain, 1.6 in snow
November37.7°F / 30.1°F2.97 in rain, 7.1 in snow
December33.1°F / 24.7°F2.3 in rain, 12.3 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%.

Pribilof 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 vulnerability63more vulnerable than 63% of US census tracts
Socioeconomic status45more vulnerable than 45% of US census tracts
Household characteristics24more vulnerable than 24% of US census tracts
Racial and ethnic minority status78more vulnerable than 78% of US census tracts
Housing type and transport90more vulnerable than 90% of US census tracts
Walkability6 out of 20Below average
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 area42.28 sq mi
Water area2.67 sq mi
Population density9 people per sq mi
Latitude, longitude57.1842, -170.2764

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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