Postal Codes

99691 ZIP Code

Advertisement

English Español

ZIP code 99691 covers Nikolai, Alaska, with a population of about 93.

Population
93
Poverty rate
37.6%25.2 points above the US average
Degree or higher
8.5%26.5 points below the US average
Homeownership
74.6%9.6 points above the US average
Time zone
Alaska UTC-09:00observes daylight saving time

Where 99691 is

Nikolai, 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

Population93
Family households40.7%
Born outside the US0%
Speaks a language other than English at home10.1%
White (non-Hispanic)2.2%
Black (non-Hispanic)2.2%
Asian (non-Hispanic)0%
Hispanic or Latino7.5%
Veterans4.8%
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 rate37.6%
Households on SNAP or cash assistance37.3%

Household income distribution

Under $10k23.7%
$10–15k3.4%
$15–20k13.6%
$20–25k1.7%
$25–30k3.4%
$30–35k3.4%
$35–40k11.9%
$40–45k0.0%
$45–50k1.7%
$50–60k5.1%
$60–75k1.7%
$75–100k5.1%
$100–125k11.9%
$125–150k0.0%
$150–200k13.6%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied74.6%
Vacant homes47.8%
Median year built1979

What the homes are

Detached house100%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.8%
Bachelor's degree or higher8.5%
High school diploma or higher85.4%
Works from home2.6%
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.

Obesity38.9% 5.5 pts above the national average of 33.4%
Diagnosed diabetes14.9% 2.9 pts above the national average of 12%
Currently smokes32% 18.8 pts above the national average of 13.2%
High blood pressure36.6% 2.5 pts above the national average of 34.1%
Fair or poor general health32.1% 11.8 pts above the national average of 20.3%
No health insurance (18–64)15.9% 4.6 pts above the national average of 11.3%
Depression22.5% 0.6 pts above the national average of 21.9%
No leisure-time physical activity30.5% 5.1 pts above the national average of 25.4%
Arthritis24.9% same as the national average of 25.1%
Binge drinking16.2% same as the national average of 16%
Taking blood pressure medication65.4% 9.3 pts below the national average of 74.7%
Cancer (non-skin)5.1% 2.6 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 year65.2% 11.5 pts below the national average of 76.7%
Cholesterol screening71.7% 14.2 pts below the national average of 85.9%
Cognitive disability22.4% 7.6 pts above the national average of 14.8%
Colorectal screening45.1% 19.2 pts below the national average of 64.3%
COPD9.9% 3.3 pts above the national average of 6.6%
Visited a dentist37.4% 23.9 pts below the national average of 61.3%
Any disability43% 12.3 pts above the national average of 30.7%
Lacks emotional support33.1% 8.3 pts above the national average of 24.8%
Food insecurity37.4% 20.3 pts above the national average of 17.1%
Received food stamps29.8% 15.5 pts above the national average of 14.3%
Hearing disability11.3% 4.6 pts above the national average of 6.7%
High cholesterol33.3% 2.9 pts below the national average of 36.2%
Housing insecurity27.2% 13.4 pts above the national average of 13.8%
Independent living disability14.2% 5.8 pts above the national average of 8.4%
Lacks transport22% 12.8 pts above the national average of 9.2%
Loneliness39.4% 5 pts above the national average of 34.4%
Mammography use56.8% 19.1 pts below the national average of 75.9%
Poor mental health (14+ days)22.3% 5.5 pts above the national average of 16.8%
Mobility disability19.2% 5.2 pts above the national average of 14%
Poor physical health (14+ days)19.9% 6.4 pts above the national average of 13.5%
Self-care disability6.3% 2.3 pts above the national average of 4%
Utility shut-off threat19.8% 11 pts above the national average of 8.8%
Sleeps under 7 hours42.5% 6.1 pts above the national average of 36.4%
Stroke4.9% 1.5 pts above the national average of 3.4%
All natural teeth lost41% 28 pts above the national average of 13%
Vision disability10.5% 4.9 pts above the national average of 5.6%
Advertisement
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 90.1% of US census tracts
FEMA ratingRelatively High
Expected annual loss73.8 out of 100
Community resilience3.7 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 wave99.8Very High at its worst in this ZIP code
Landslide99.3Relatively High at its worst in this ZIP code
Wildfire97.8Relatively High at its worst in this ZIP code
Winter weather95.8Very High at its worst in this ZIP code
Earthquake82.6Relatively Moderate at its worst in this ZIP code
Volcanic activity80.8Very Low at its worst in this ZIP code
Avalanche79.4Relatively Low at its worst in this ZIP code
Lightning42.7Relatively Low at its worst in this ZIP code
Ice storm35.9Relatively Low at its worst in this ZIP code
River flooding3.9Very Low at its worst in this ZIP code
Hail1Very 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$89,336$78,538
Income per person$44,928$43,289
Poverty rate37.6%10.2%12.4%
Median home value$333,300$303,400
Median gross rent$1,388$1,348
Homeownership74.6%66.6%65%
Bachelor's degree or higher8.5%31.2%35%
Unemployment rate1.8%5.8%5.2%
Works from home2.6%8.8%13.5%
Born outside the US0%7.8%13.9%
Median age35.638.7
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%.

Iditarod Area 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 vulnerability94more vulnerable than 94% of US census tracts
Socioeconomic status87more vulnerable than 87% of US census tracts
Household characteristics90more vulnerable than 90% of US census tracts
Racial and ethnic minority status90more vulnerable than 90% of US census tracts
Housing type and transport87more vulnerable than 87% of US census tracts
Walkability5.9 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.

Yukon-Koyukuk Census Area100% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area4624.71 sq mi
Water area17.63 sq mi
Latitude, longitude63.0133, -154.3750

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