Postal Codes

99633 ZIP Code

Advertisement

English Español

ZIP code 99633 covers Naknek, Alaska, with a population of about 458 and a median household income of $91,875.

Population
4586 per square mile
Median household income
$91,875about the Alaska median
Poverty rate
13.2%0.8 points above the US average
Median home value
$279,70016% below the Alaska median
Median rent
$1,361about the Alaska median
Degree or higher
22.9%12.1 points below the US average
Homeownership
58.4%6.6 points below the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
54

Where 99633 is

Naknek, 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

Population458
Family households64%
Born outside the US15.7%
Speaks a language other than English at home19.4%
White (non-Hispanic)51.3%
Black (non-Hispanic)0%
Asian (non-Hispanic)6.8%
Hispanic or Latino8.7%
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$91,875
Poverty rate13.2%
Households on SNAP or cash assistance8.8%

Household income distribution

Under $10k2.4%
$10–15k1.6%
$15–20k0.8%
$20–25k0.8%
$25–30k5.6%
$30–35k4.0%
$35–40k2.4%
$40–45k0.0%
$45–50k3.2%
$50–60k6.4%
$60–75k13.6%
$75–100k13.6%
$100–125k14.4%
$125–150k6.4%
$150–200k12.0%
$200k or more12.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$279,700
Median gross rent$1,361
Rent as a share of household income14.3%
Owner-occupied58.4%
Vacant homes68%
Median year built1983

What the homes are

Detached house80.1%
Attached house1%
2 to 4 units2.3%
5 to 19 units9.7%
20 or more units1%
Mobile home5.9%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.3%
Bachelor's degree or higher22.9%
High school diploma or higher93.4%
Works from home7.1%
Drives to work alone43.1%
Takes public transport0%
Commutes 45 minutes or more1.8%
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 diabetes11.4% 0.6 pts below the national average of 12%
Currently smokes18.1% 4.9 pts above the national average of 13.2%
High blood pressure35.8% 1.7 pts above the national average of 34.1%
Fair or poor general health19.8% 0.5 pts below the national average of 20.3%
No health insurance (18–64)8.6% 2.7 pts below the national average of 11.3%
Depression19.6% 2.3 pts below the national average of 21.9%
No leisure-time physical activity22.3% 3.1 pts below the national average of 25.4%
Arthritis26.7% 1.6 pts above the national average of 25.1%
Binge drinking17.6% 1.6 pts above the national average of 16%
Taking blood pressure medication70.5% 4.2 pts below the national average of 74.7%
Cancer (non-skin)8% same as the national average of 7.7%
Current asthma11.9% 1.5 pts above the national average of 10.4%
Coronary heart disease6.8% 0.6 pts above the national average of 6.2%
Routine check-up in past year69% 7.7 pts below the national average of 76.7%
Cholesterol screening83.2% 2.7 pts below the national average of 85.9%
Cognitive disability14.1% 0.7 pts below the national average of 14.8%
Colorectal screening58.3% 6 pts below the national average of 64.3%
COPD6.9% same as the national average of 6.6%
Visited a dentist59.9% 1.4 pts below the national average of 61.3%
Any disability31.4% 0.7 pts above the national average of 30.7%
Lacks emotional support25.8% 1 pts above the national average of 24.8%
Food insecurity15.6% 1.5 pts below the national average of 17.1%
Received food stamps9.9% 4.4 pts below the national average of 14.3%
Hearing disability9.1% 2.4 pts above the national average of 6.7%
High cholesterol34.8% 1.4 pts below the national average of 36.2%
Housing insecurity13.2% 0.6 pts below the national average of 13.8%
Independent living disability8.2% same as the national average of 8.4%
Lacks transport9.9% 0.7 pts above the national average of 9.2%
Loneliness32.7% 1.7 pts below the national average of 34.4%
Mammography use64.7% 11.2 pts below the national average of 75.9%
Poor mental health (14+ days)16% 0.8 pts below the national average of 16.8%
Mobility disability14.1% same as the national average of 14%
Poor physical health (14+ days)14.9% 1.4 pts above the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat8.9% same as the national average of 8.8%
Sleeps under 7 hours38.2% 1.8 pts above the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost13.1% same as the national average of 13%
Vision disability5.5% same as the national average of 5.6%
Advertisement
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments54
People employed245
Annual payroll$58,243,000
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 59% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss51 out of 100
Community resilience24.1 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.

Cold wave96.5Very High at its worst in this ZIP code
Winter weather92.2Relatively High at its worst in this ZIP code
Earthquake90.9Relatively High at its worst in this ZIP code
Wildfire88Relatively Low at its worst in this ZIP code
Volcanic activity83.5Very Low at its worst in this ZIP code
Landslide53.7Very Low at its worst in this ZIP code
Lightning6.8Very Low at its worst in this ZIP code
Ice storm1.7Very 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$91,875$89,336$78,538
Income per person$44,928$43,289
Poverty rate13.2%10.2%12.4%
Median home value$279,700$333,300$303,400
Median gross rent$1,361$1,388$1,348
Homeownership58.4%66.6%65%
Bachelor's degree or higher22.9%31.2%35%
Unemployment rate1.3%5.8%5.2%
Works from home7.1%8.8%13.5%
Born outside the US15.7%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 stationKING SALMON, AK US19.4 km away
Rain in a year21 in
Snow in a year47 in

Average high and low by month

January23.5°F / 9.8°F0.93 in rain, 8.6 in snow
February29.5°F / 14.7°F0.91 in rain, 7.2 in snow
March31.8°F / 15.2°F0.76 in rain, 7.2 in snow
April44.5°F / 27.6°F1.04 in rain, 4.4 in snow
May55.2°F / 36.1°F1.44 in rain, 0.6 in snow
June62.1°F / 43.5°F1.83 in rain
July64.6°F / 48.9°F2.46 in rain
August63.3°F / 48°F3.26 in rain
September56.3°F / 41°F3.4 in rain
October43.8°F / 29°F2.31 in rain, 2.5 in snow
November31.9°F / 18.2°F1.72 in rain, 6.7 in snow
December25.7°F / 11.4°F1.38 in rain, 10.2 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 supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
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%.

Bristol Bay 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 vulnerability48more vulnerable than 48% of US census tracts
Socioeconomic status27more vulnerable than 27% of US census tracts
Household characteristics7more vulnerable than 7% of US census tracts
Racial and ethnic minority status70more vulnerable than 70% of US census tracts
Housing type and transport96more vulnerable than 96% of US census tracts
Walkability4.8 out of 20Least walkable
Nearby ZIP codes

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

99670 South Naknek, AK14 km away
96513 APO AA17.3 km away
99613 King Salmon, AK17.3 km away
99625 Levelock, AK58.2 km away
99565 Chignik Lagoon, AK59 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.

Bristol Bay Borough100% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area81.54 sq mi
Water area3.62 sq mi
Population density6 people per sq mi
Latitude, longitude58.7830, -156.8992

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.

Advertisement