Postal Codes

99836 ZIP Code

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ZIP code 99836 covers Port Alexander, Alaska, with a median household income of $37,917.

Median household income
$37,91758% below the Alaska median
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
3

Where 99836 is

Port Alexander, 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.

Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$37,917
Income per person$21,281
Housing

American Community Survey 2019–2023 five-year estimates

Vacant homes79.4%
Median year built1981

What the homes are

Detached house96.8%
Mobile home3.2%
Health

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

Obesity38% 4.6 pts above the national average of 33.4%
Diagnosed diabetes12.7% 0.7 pts above the national average of 12%
Currently smokes21.4% 8.2 pts above the national average of 13.2%
High blood pressure39.7% 5.6 pts above the national average of 34.1%
Fair or poor general health23.9% 3.6 pts above the national average of 20.3%
No health insurance (18–64)9.9% 1.4 pts below the national average of 11.3%
Depression21.5% same as the national average of 21.9%
No leisure-time physical activity25.9% 0.5 pts above the national average of 25.4%
Arthritis31.1% 6 pts above the national average of 25.1%
Binge drinking15.9% same as the national average of 16%
Taking blood pressure medication74.1% 0.6 pts below the national average of 74.7%
Cancer (non-skin)9.4% 1.7 pts above the national average of 7.7%
Current asthma10.9% 0.5 pts above the national average of 10.4%
Coronary heart disease9.4% 3.2 pts above the national average of 6.2%
Routine check-up in past year70.2% 6.5 pts below the national average of 76.7%
Cholesterol screening80.9% 5 pts below the national average of 85.9%
Cognitive disability15.7% 0.9 pts above the national average of 14.8%
Colorectal screening57.1% 7.2 pts below the national average of 64.3%
COPD10.4% 3.8 pts above the national average of 6.6%
Visited a dentist51.3% 10 pts below the national average of 61.3%
Any disability35.3% 4.6 pts above the national average of 30.7%
Lacks emotional support23.8% 1 pts below the national average of 24.8%
Food insecurity16.3% 0.8 pts below the national average of 17.1%
Received food stamps14.4% same as the national average of 14.3%
Hearing disability11.2% 4.5 pts above the national average of 6.7%
High cholesterol37.8% 1.6 pts above the national average of 36.2%
Housing insecurity12.3% 1.5 pts below the national average of 13.8%
Independent living disability9.8% 1.4 pts above the national average of 8.4%
Lacks transport9.5% same as the national average of 9.2%
Loneliness30.7% 3.7 pts below the national average of 34.4%
Mammography use61.9% 14 pts below the national average of 75.9%
Poor mental health (14+ days)16.5% same as the national average of 16.8%
Mobility disability17.3% 3.3 pts above the national average of 14%
Poor physical health (14+ days)17.1% 3.6 pts above the national average of 13.5%
Self-care disability5.3% 1.3 pts above the national average of 4%
Utility shut-off threat9.6% 0.8 pts above the national average of 8.8%
Sleeps under 7 hours33.6% 2.8 pts below the national average of 36.4%
Stroke4.7% 1.3 pts above the national average of 3.4%
All natural teeth lost17.7% 4.7 pts above the national average of 13%
Vision disability6.3% 0.7 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments3
People employed0
Annual payroll$105,000
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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 11.1% of US census tracts
FEMA ratingVery Low
Expected annual loss3.7 out of 100
Community resilience34.9 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.

Landslide99.6Relatively High at its worst in this ZIP code
Volcanic activity97.3Relatively Low at its worst in this ZIP code
Winter weather90.5Relatively High at its worst in this ZIP code
Earthquake72Relatively Low at its worst in this ZIP code
Wildfire71.9Relatively Low at its worst in this ZIP code
Tsunami67.2Relatively Low at its worst in this ZIP code
Ice storm48.2Relatively Low at its worst in this ZIP code
Avalanche26.2Very Low at its worst in this ZIP code
Cold wave17.8Very Low at its worst in this ZIP code
River flooding15.1Relatively Low at its worst in this ZIP code
Lightning6.6Very 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$37,917$89,336$78,538
Income per person$21,281$44,928$43,289
Poverty rate10.2%12.4%
Median home value$333,300$303,400
Median gross rent$1,388$1,348
Homeownership66.6%65%
Bachelor's degree or higher31.2%35%
Unemployment rate5.8%5.2%
Works from home8.8%13.5%
Born outside the US7.8%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 stationPORT ALEXANDER, AK US0.3 km away
Rain in a year162 in
Snow in a year56 in

Average high and low by month

January39.7°F / 32.3°F16.25 in rain, 12.3 in snow
February40.8°F / 32.5°F11.72 in rain, 12 in snow
March43.1°F / 32.7°F11.05 in rain, 11.9 in snow
April49.7°F / 36.8°F8.64 in rain, 1.2 in snow
May56.7°F / 41.7°F7.86 in rain, 0.1 in snow
June61.4°F / 46.7°F6.65 in rain
July64.3°F / 50.1°F9.03 in rain
August64.1°F / 50.2°F13.94 in rain
September58.4°F / 46.9°F19.34 in rain
October50.9°F / 41.6°F19.85 in rain, 0.3 in snow
November44.2°F / 36.3°F18.12 in rain, 4.1 in snow
December40.9°F / 33.4°F19.58 in rain, 14.1 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 supermarket72% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket28% 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%.

Southeast Island 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 vulnerability83more vulnerable than 83% of US census tracts
Socioeconomic status63more vulnerable than 63% of US census tracts
Household characteristics79more vulnerable than 79% of US census tracts
Racial and ethnic minority status58more vulnerable than 58% of US census tracts
Housing type and transport94more vulnerable than 94% of US census tracts
Walkability5.5 out of 20Least walkable
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.

Prince of Wales-Hyder Census Area100% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area3.5 sq mi
Water area2.09 sq mi
Latitude, longitude56.2497, -134.6444

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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