Postal Codes

99604 ZIP Code

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ZIP code 99604 covers Hooper Bay, Alaska, with a population of about 1,008 and a median household income of $47,000.

Population
1,008134 per square mile
Median age
30.18.6 points below the US average
Median household income
$47,00047% below the Alaska median
Poverty rate
21.3%8.9 points above the US average
Median rent
$72548% below the Alaska median
Degree or higher
3.1%31.9 points below the US average
Homeownership
64.8%about the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
9

Where 99604 is

Hooper Bay, 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

Population1,008
Median age30.1
Family households79.6%
Born outside the US6.2%
Speaks a language other than English at home51.1%
White (non-Hispanic)7.5%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.7%
Hispanic or Latino11%
Veterans5.5%
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$47,000
Income per person$23,576
Poverty rate21.3%
Households on SNAP or cash assistance54.6%

Household income distribution

Under $10k15.3%
$10–15k2.6%
$15–20k5.1%
$20–25k5.6%
$25–30k5.6%
$30–35k2.6%
$35–40k5.6%
$40–45k3.6%
$45–50k6.6%
$50–60k4.1%
$60–75k14.3%
$75–100k14.3%
$100–125k3.6%
$125–150k2.6%
$150–200k8.7%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$725
Owner-occupied64.8%
Vacant homes10.1%
Median year built1989

What the homes are

Detached house73.9%
Attached house3.2%
2 to 4 units6.9%
5 to 19 units13.3%
Mobile home2.8%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate11%
Bachelor's degree or higher3.1%
High school diploma or higher86.3%
Works from home0%
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.

Obesity46.4% 13 pts above the national average of 33.4%
Diagnosed diabetes15.8% 3.8 pts above the national average of 12%
Currently smokes36.7% 23.5 pts above the national average of 13.2%
High blood pressure37.1% 3 pts above the national average of 34.1%
Fair or poor general health37.7% 17.4 pts above the national average of 20.3%
No health insurance (18–64)17.8% 6.5 pts above the national average of 11.3%
Depression24.3% 2.4 pts above the national average of 21.9%
No leisure-time physical activity37% 11.6 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 medication64.2% 10.5 pts below the national average of 74.7%
Cancer (non-skin)4.5% 3.2 pts below the national average of 7.7%
Current asthma15.2% 4.8 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 year63.9% 12.8 pts below the national average of 76.7%
Cholesterol screening67% 18.9 pts below the national average of 85.9%
Cognitive disability26.7% 11.9 pts above the national average of 14.8%
Colorectal screening45.1% 19.2 pts below the national average of 64.3%
COPD11.3% 4.7 pts above the national average of 6.6%
Visited a dentist33.2% 28.1 pts below the national average of 61.3%
Any disability49.1% 18.4 pts above the national average of 30.7%
Lacks emotional support36% 11.2 pts above the national average of 24.8%
Food insecurity47.8% 30.7 pts above the national average of 17.1%
Received food stamps40.3% 26 pts above the national average of 14.3%
Hearing disability11.7% 5 pts above the national average of 6.7%
High cholesterol31.1% 5.1 pts below the national average of 36.2%
Housing insecurity33.2% 19.4 pts above the national average of 13.8%
Independent living disability17.7% 9.3 pts above the national average of 8.4%
Lacks transport28.3% 19.1 pts above the national average of 9.2%
Loneliness41.1% 6.7 pts above the national average of 34.4%
Mammography use48.6% 27.3 pts below the national average of 75.9%
Poor mental health (14+ days)25.4% 8.6 pts above the national average of 16.8%
Mobility disability22.3% 8.3 pts above the national average of 14%
Poor physical health (14+ days)22.4% 8.9 pts above the national average of 13.5%
Self-care disability7.4% 3.4 pts above the national average of 4%
Utility shut-off threat25.4% 16.6 pts above the national average of 8.8%
Sleeps under 7 hours46.2% 9.8 pts above the national average of 36.4%
Stroke5.1% 1.7 pts above the national average of 3.4%
All natural teeth lost34.6% 21.6 pts above the national average of 13%
Vision disability13.1% 7.5 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments9
People employed77
Annual payroll$1,944,000
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 99.8% of US census tracts
FEMA ratingVery High
Expected annual loss99.4 out of 100
Community resilience1.9 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.

Cold wave100Very High at its worst in this ZIP code
Winter weather100Very High at its worst in this ZIP code
Landslide98.7Relatively Moderate at its worst in this ZIP code
Wildfire91Relatively Moderate at its worst in this ZIP code
Volcanic activity78.9Very Low at its worst in this ZIP code
Lightning62.2Relatively Moderate at its worst in this ZIP code
Earthquake57.5Relatively Low at its worst in this ZIP code
Ice storm33Very Low at its worst in this ZIP code
Avalanche7.4Very Low at its worst in this ZIP code
Tornado0.6Very Low at its worst in this ZIP code
Hail0.2Very Low at its worst in this ZIP code
Strong wind0.2Very 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$47,000$89,336$78,538
Income per person$23,576$44,928$43,289
Poverty rate21.3%10.2%12.4%
Median home value$333,300$303,400
Median gross rent$725$1,388$1,348
Homeownership64.8%66.6%65%
Bachelor's degree or higher3.1%31.2%35%
Unemployment rate11%5.8%5.2%
Works from home0%8.8%13.5%
Born outside the US6.2%7.8%13.9%
Median age30.135.638.7
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 Yukon 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 vulnerability95more vulnerable than 95% of US census tracts
Socioeconomic status86more vulnerable than 86% of US census tracts
Household characteristics72more vulnerable than 72% of US census tracts
Racial and ethnic minority status96more vulnerable than 96% of US census tracts
Housing type and transport97more vulnerable than 97% of US census tracts
Nearby ZIP codes

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

99563 Chevak, AK27.8 km away
99662 Scammon Bay, AK45.2 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.

Kusilvak Census Area100% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area7.5 sq mi
Water area0.07 sq mi
Population density134 people per sq mi
Latitude, longitude61.5270, -166.1151

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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