Postal Codes

99840 ZIP Code

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ZIP code 99840 covers Skagway, Alaska, with a population of about 1,308 and a median household income of $78,594.

Population
1,3083 per square mile
Median age
42.53.8 points above the US average
Median household income
$78,59412% below the Alaska median
Poverty rate
6.2%6.2 points below the US average
Median home value
$430,0001.3× the Alaska median
Median rent
$1,22812% below the Alaska median
Degree or higher
27.7%7.3 points below the US average
Homeownership
65.6%0.6 points above the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
114

Where 99840 is

Skagway, 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

Population1,308
Median age42.5
Family households48.1%
Born outside the US16.3%
Speaks a language other than English at home17.4%
White (non-Hispanic)68.9%
Black (non-Hispanic)2.2%
Asian (non-Hispanic)7.9%
Hispanic or Latino4.9%
Veterans4.4%
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$78,594
Income per person$53,798
Poverty rate6.2%
Households on SNAP or cash assistance4.4%

Household income distribution

Under $10k2.0%
$10–15k1.6%
$15–20k2.7%
$20–25k0.2%
$25–30k2.2%
$30–35k12.6%
$35–40k5.1%
$40–45k6.7%
$45–50k0.4%
$50–60k5.5%
$60–75k9.3%
$75–100k13.7%
$100–125k9.1%
$125–150k11.1%
$150–200k9.8%
$200k or more8.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$430,000
Median gross rent$1,228
Rent as a share of household income19.5%
Owner-occupied65.6%
Vacant homes31.2%
Median year built1984

What the homes are

Detached house61.4%
Attached house2.9%
2 to 4 units19.5%
5 to 19 units7.3%
20 or more units0.2%
Mobile home8.7%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate9.5%
Bachelor's degree or higher27.7%
High school diploma or higher93.7%
Works from home3.2%
Drives to work alone39.3%
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.

Obesity36.4% 3 pts above the national average of 33.4%
Diagnosed diabetes8.2% 3.8 pts below the national average of 12%
Currently smokes16.2% 3 pts above the national average of 13.2%
High blood pressure31.4% 2.7 pts below the national average of 34.1%
Fair or poor general health16.3% 4 pts below the national average of 20.3%
No health insurance (18–64)8.8% 2.5 pts below the national average of 11.3%
Depression20.8% 1.1 pts below the national average of 21.9%
No leisure-time physical activity19.9% 5.5 pts below the national average of 25.4%
Arthritis23.1% 2 pts below the national average of 25.1%
Binge drinking19.4% 3.4 pts above the national average of 16%
Taking blood pressure medication67.5% 7.2 pts below the national average of 74.7%
Cancer (non-skin)7.5% same as the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease5.3% 0.9 pts below the national average of 6.2%
Routine check-up in past year67.1% 9.6 pts below the national average of 76.7%
Cholesterol screening81.9% 4 pts below the national average of 85.9%
Cognitive disability13% 1.8 pts below the national average of 14.8%
Colorectal screening59.2% 5.1 pts below the national average of 64.3%
COPD6% 0.6 pts below the national average of 6.6%
Visited a dentist58.7% 2.6 pts below the national average of 61.3%
Any disability26.7% 4 pts below the national average of 30.7%
Lacks emotional support23.3% 1.5 pts below the national average of 24.8%
Food insecurity11.2% 5.9 pts below the national average of 17.1%
Received food stamps7.9% 6.4 pts below the national average of 14.3%
Hearing disability6.9% same as the national average of 6.7%
High cholesterol33% 3.2 pts below the national average of 36.2%
Housing insecurity10% 3.8 pts below the national average of 13.8%
Independent living disability6.8% 1.6 pts below the national average of 8.4%
Lacks transport6.9% 2.3 pts below the national average of 9.2%
Loneliness30.7% 3.7 pts below the national average of 34.4%
Mammography use64.8% 11.1 pts below the national average of 75.9%
Poor mental health (14+ days)15.4% 1.4 pts below the national average of 16.8%
Mobility disability10.6% 3.4 pts below the national average of 14%
Poor physical health (14+ days)12.5% 1 pts below the national average of 13.5%
Self-care disability3% 1 pts below the national average of 4%
Utility shut-off threat6.8% 2 pts below the national average of 8.8%
Sleeps under 7 hours36.3% same as the national average of 36.4%
Stroke2.8% 0.6 pts below the national average of 3.4%
All natural teeth lost9% 4 pts below the national average of 13%
Vision disability3.8% 1.8 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments114
People employed368
Annual payroll$29,765,000
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 25.2% of US census tracts
FEMA ratingRelatively Low
Expected annual loss16.6 out of 100
Community resilience14.7 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.

Landslide99.6Relatively High at its worst in this ZIP code
Winter weather97.6Very High at its worst in this ZIP code
Cold wave94.1Relatively High at its worst in this ZIP code
Earthquake80.8Relatively Moderate at its worst in this ZIP code
Wildfire67.6Very Low at its worst in this ZIP code
Avalanche61.1Very Low at its worst in this ZIP code
Tsunami45Very Low at its worst in this ZIP code
Lightning12.3Very Low at its worst in this ZIP code
Ice storm9Very Low at its worst in this ZIP code
River flooding0.8Very 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$78,594$89,336$78,538
Income per person$53,798$44,928$43,289
Poverty rate6.2%10.2%12.4%
Median home value$430,000$333,300$303,400
Median gross rent$1,228$1,388$1,348
Homeownership65.6%66.6%65%
Bachelor's degree or higher27.7%31.2%35%
Unemployment rate9.5%5.8%5.2%
Works from home3.2%8.8%13.5%
Born outside the US16.3%7.8%13.9%
Median age42.535.638.7
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 stationSKAGWAY, AK US1.7 km away
Rain in a year31 in
Snow in a year45 in

Average high and low by month

January29.2°F / 20.2°F2.65 in rain, 9.2 in snow
February32.8°F / 22.2°F1.98 in rain, 8.1 in snow
March38.3°F / 24.9°F1.98 in rain, 8.6 in snow
April50.4°F / 32°F1.67 in rain, 1.5 in snow
May60.6°F / 40.1°F1.14 in rain
June66.3°F / 47.7°F1.42 in rain
July67.1°F / 51.1°F1.62 in rain
August65°F / 49.7°F2.65 in rain
September56.9°F / 44°F4.51 in rain
October47.3°F / 36.2°F4.42 in rain, 1.1 in snow
November36.5°F / 27.1°F3.42 in rain, 5.9 in snow
December31.5°F / 23.5°F4.02 in rain, 10.5 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%.

Skagway 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 vulnerability59more vulnerable than 59% of US census tracts
Socioeconomic status48more vulnerable than 48% of US census tracts
Household characteristics25more vulnerable than 25% of US census tracts
Racial and ethnic minority status38more vulnerable than 38% of US census tracts
Housing type and transport90more vulnerable than 90% of US census tracts
Walkability6.8 out of 20Below average
Nearby ZIP codes

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

99827 Haines, AK27.7 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.

Skagway Municipality100% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area433.93 sq mi
Water area11.11 sq mi
Population density3 people per sq mi
Latitude, longitude59.4685, -135.3018

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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