Postal Codes

99550 ZIP Code

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ZIP code 99550 covers Port Lions, Alaska, with a population of about 151 and a median household income of $51,111.

Population
15130 per square mile
Median age
56.417.7 points above the US average
Median household income
$51,11143% below the Alaska median
Poverty rate
16.6%4.2 points above the US average
Median home value
$189,10043% below the Alaska median
Degree or higher
0.9%34.1 points below the US average
Homeownership
88.8%23.8 points above the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
4

Where 99550 is

Port Lions, 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

Population151
Median age56.4
Family households35%
Born outside the US0%
Speaks a language other than English at home7.4%
White (non-Hispanic)21.9%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino7.3%
Veterans8.2%
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$51,111
Income per person$39,464
Poverty rate16.6%
Households on SNAP or cash assistance3.8%

Household income distribution

Under $10k6.2%
$10–15k7.5%
$15–20k5.0%
$20–25k0.0%
$25–30k6.2%
$30–35k0.0%
$35–40k3.8%
$40–45k0.0%
$45–50k16.2%
$50–60k12.5%
$60–75k12.5%
$75–100k11.2%
$100–125k2.5%
$125–150k6.2%
$150–200k6.2%
$200k or more3.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$189,100
Owner-occupied88.8%
Vacant homes42%
Median year built1969

What the homes are

Detached house100%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7.9%
Bachelor's degree or higher0.9%
High school diploma or higher92.2%
Works from home4.3%
Drives to work alone47.1%
Takes public transport0%
Commutes 45 minutes or more6%
Health

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

Obesity40.6% 7.2 pts above the national average of 33.4%
Diagnosed diabetes16.1% 4.1 pts above the national average of 12%
Currently smokes23.5% 10.3 pts above the national average of 13.2%
High blood pressure42.6% 8.5 pts above the national average of 34.1%
Fair or poor general health27.3% 7 pts above the national average of 20.3%
No health insurance (18–64)10.8% 0.5 pts below the national average of 11.3%
Depression19.2% 2.7 pts below the national average of 21.9%
No leisure-time physical activity27.5% 2.1 pts above the national average of 25.4%
Arthritis30.8% 5.7 pts above the national average of 25.1%
Binge drinking15.2% 0.8 pts below the national average of 16%
Taking blood pressure medication74.7% same as the national average of 74.7%
Cancer (non-skin)8.7% 1 pts above the national average of 7.7%
Current asthma12.2% 1.8 pts above the national average of 10.4%
Coronary heart disease9.6% 3.4 pts above the national average of 6.2%
Routine check-up in past year71.9% 4.8 pts below the national average of 76.7%
Cholesterol screening81.8% 4.1 pts below the national average of 85.9%
Cognitive disability16.3% 1.5 pts above the national average of 14.8%
Colorectal screening65.1% 0.8 pts above the national average of 64.3%
COPD10.2% 3.6 pts above the national average of 6.6%
Visited a dentist52.6% 8.7 pts below the national average of 61.3%
Any disability38.8% 8.1 pts above the national average of 30.7%
Lacks emotional support27.9% 3.1 pts above the national average of 24.8%
Food insecurity22.4% 5.3 pts above the national average of 17.1%
Received food stamps15.4% 1.1 pts above the national average of 14.3%
Hearing disability12.6% 5.9 pts above the national average of 6.7%
High cholesterol39.9% 3.7 pts above the national average of 36.2%
Housing insecurity15.8% 2 pts above the national average of 13.8%
Independent living disability10.7% 2.3 pts above the national average of 8.4%
Lacks transport13.1% 3.9 pts above the national average of 9.2%
Loneliness33.2% 1.2 pts below the national average of 34.4%
Mammography use66.5% 9.4 pts below the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability20.3% 6.3 pts above the national average of 14%
Poor physical health (14+ days)18.6% 5.1 pts above the national average of 13.5%
Self-care disability5.5% 1.5 pts above the national average of 4%
Utility shut-off threat11.1% 2.3 pts above the national average of 8.8%
Sleeps under 7 hours40% 3.6 pts above the national average of 36.4%
Stroke5.4% 2 pts above the national average of 3.4%
All natural teeth lost13.7% 0.7 pts above the national average of 13%
Vision disability8.1% 2.5 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments4
People employed9
Annual payroll$541,000
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 99.7% of US census tracts
FEMA ratingVery High
Expected annual loss99.4 out of 100
Community resilience18.5 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.

Landslide99.8Relatively High at its worst in this ZIP code
Earthquake99.4Very High at its worst in this ZIP code
Tsunami98.4Relatively High at its worst in this ZIP code
Winter weather84.9Relatively High at its worst in this ZIP code
Volcanic activity84.4Very Low at its worst in this ZIP code
Wildfire83.4Relatively Low at its worst in this ZIP code
Avalanche41.1Very Low at its worst in this ZIP code
River flooding11Very Low at its worst in this ZIP code
Ice storm6.2Very Low at its worst in this ZIP code
Lightning4.5Very 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$51,111$89,336$78,538
Income per person$39,464$44,928$43,289
Poverty rate16.6%10.2%12.4%
Median home value$189,100$333,300$303,400
Median gross rent$1,388$1,348
Homeownership88.8%66.6%65%
Bachelor's degree or higher0.9%31.2%35%
Unemployment rate7.9%5.8%5.2%
Works from home4.3%8.8%13.5%
Born outside the US0%7.8%13.9%
Median age56.435.638.7
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 stationOUZINKIE, AK US23.4 km away

Average high and low by month

January34.5°F / 25.8°F
February35.4°F / 26.7°F
March36.9°F / 26.3°F
April42.5°F / 31.9°F
May50.2°F / 37.6°F
June55.4°F / 43.7°F
July59.6°F / 48°F
August60.5°F / 48.2°F
September54.6°F / 42.8°F
October45.8°F / 35.1°F
November38.9°F / 30°F
December35.6°F / 26.2°F
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 supermarket2% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket99% 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%.

Kodiak Island 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 vulnerability65more vulnerable than 65% of US census tracts
Socioeconomic status67more vulnerable than 67% of US census tracts
Household characteristics12more vulnerable than 12% of US census tracts
Racial and ethnic minority status63more vulnerable than 63% of US census tracts
Housing type and transport86more vulnerable than 86% of US census tracts
Walkability4.4 out of 20Least walkable
Nearby ZIP codes

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

99644 Ouzinkie, AK23.3 km away
99619 Kodiak, AK29.4 km away
99697 Kodiak, AK29.4 km away
99615 Kodiak, AK41.4 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.

Kodiak Island Borough100% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area4.99 sq mi
Water area3.7 sq mi
Population density30 people per sq mi
Latitude, longitude57.8675, -152.8822

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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