Postal Codes

99830 ZIP Code

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ZIP code 99830 covers Kake, Alaska, with a population of about 598 and a median household income of $50,833.

Population
5982 per square mile
Median age
380.7 points below the US average
Median household income
$50,83343% below the Alaska median
Poverty rate
17.4%5 points above the US average
Median home value
$158,30053% below the Alaska median
Median rent
$95831% below the Alaska median
Degree or higher
13.8%21.2 points below the US average
Homeownership
73.2%8.2 points above the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
20

Where 99830 is

Kake, 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

Population598
Median age38
Family households69.6%
Born outside the US1.2%
Speaks a language other than English at home9.7%
White (non-Hispanic)17.7%
Black (non-Hispanic)0.7%
Asian (non-Hispanic)0.5%
Hispanic or Latino6.7%
Veterans6.9%
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$50,833
Income per person$26,162
Poverty rate17.4%
Households on SNAP or cash assistance27.2%

Household income distribution

Under $10k8.9%
$10–15k3.6%
$15–20k6.7%
$20–25k6.7%
$25–30k8.5%
$30–35k4.5%
$35–40k2.7%
$40–45k6.2%
$45–50k0.4%
$50–60k8.9%
$60–75k8.5%
$75–100k13.4%
$100–125k11.2%
$125–150k4.9%
$150–200k1.3%
$200k or more3.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$158,300
Median gross rent$958
Rent as a share of household income23.8%
Owner-occupied73.2%
Vacant homes26.6%
Median year built1981

What the homes are

Detached house72.8%
2 to 4 units3.9%
5 to 19 units3.6%
Mobile home19%
Boat, RV or van0.7%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate13.2%
Bachelor's degree or higher13.8%
High school diploma or higher92.8%
Works from home4.9%
Drives to work alone59.7%
Takes public transport1.9%
Commutes 45 minutes or more2%
Health

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

Obesity41.5% 8.1 pts above the national average of 33.4%
Diagnosed diabetes15.6% 3.6 pts above the national average of 12%
Currently smokes26.2% 13 pts above the national average of 13.2%
High blood pressure39.8% 5.7 pts above the national average of 34.1%
Fair or poor general health29.1% 8.8 pts above the national average of 20.3%
No health insurance (18–64)12% 0.7 pts above the national average of 11.3%
Depression20.3% 1.6 pts below the national average of 21.9%
No leisure-time physical activity28.6% 3.2 pts above the national average of 25.4%
Arthritis29.1% 4 pts above the national average of 25.1%
Binge drinking16% same as the national average of 16%
Taking blood pressure medication71.3% 3.4 pts below the national average of 74.7%
Cancer (non-skin)7.3% same as the national average of 7.7%
Current asthma13% 2.6 pts above the national average of 10.4%
Coronary heart disease9.3% 3.1 pts above the national average of 6.2%
Routine check-up in past year69.1% 7.6 pts below the national average of 76.7%
Cholesterol screening78.2% 7.7 pts below the national average of 85.9%
Cognitive disability18.1% 3.3 pts above the national average of 14.8%
Colorectal screening54.6% 9.7 pts below the national average of 64.3%
COPD9.5% 2.9 pts above the national average of 6.6%
Visited a dentist46.9% 14.4 pts below the national average of 61.3%
Any disability40.9% 10.2 pts above the national average of 30.7%
Lacks emotional support30.1% 5.3 pts above the national average of 24.8%
Food insecurity27.6% 10.5 pts above the national average of 17.1%
Received food stamps21.1% 6.8 pts above the national average of 14.3%
Hearing disability12.8% 6.1 pts above the national average of 6.7%
High cholesterol34.3% 1.9 pts below the national average of 36.2%
Housing insecurity20.7% 6.9 pts above the national average of 13.8%
Independent living disability11.9% 3.5 pts above the national average of 8.4%
Lacks transport16.7% 7.5 pts above the national average of 9.2%
Loneliness34.5% same as the national average of 34.4%
Mammography use60.4% 15.5 pts below the national average of 75.9%
Poor mental health (14+ days)18.5% 1.7 pts above the national average of 16.8%
Mobility disability20.1% 6.1 pts above the national average of 14%
Poor physical health (14+ days)19% 5.5 pts above the national average of 13.5%
Self-care disability5.7% 1.7 pts above the national average of 4%
Utility shut-off threat15.7% 6.9 pts above the national average of 8.8%
Sleeps under 7 hours38.7% 2.3 pts above the national average of 36.4%
Stroke5.3% 1.9 pts above the national average of 3.4%
All natural teeth lost26.9% 13.9 pts above the national average of 13%
Vision disability9.1% 3.5 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments20
People employed79
Annual payroll$2,907,000
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 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$50,833$89,336$78,538
Income per person$26,162$44,928$43,289
Poverty rate17.4%10.2%12.4%
Median home value$158,300$333,300$303,400
Median gross rent$958$1,388$1,348
Homeownership73.2%66.6%65%
Bachelor's degree or higher13.8%31.2%35%
Unemployment rate13.2%5.8%5.2%
Works from home4.9%8.8%13.5%
Born outside the US1.2%7.8%13.9%
Median age3835.638.7
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 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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Southeast Island School District97.1% of this ZIP code's land area
Kake City School District2.9% 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
Nearby ZIP codes

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

99833 Petersburg, AK49.8 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.

Prince of Wales-Hyder Census Area100% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area268.13 sq mi
Water area142.09 sq mi
Population density2 people per sq mi
Latitude, longitude56.9736, -133.9360

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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