Postal Codes

99729 ZIP Code

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ZIP code 99729 covers Cantwell, Alaska, with a population of about 121.

Population
121
Median age
64.525.8 points above the US average
Poverty rate
10.7%1.7 points below the US average
Median home value
$221,40034% below the Alaska median
Degree or higher
24.1%10.9 points below the US average
Homeownership
87.5%22.5 points above the US average
Time zone
Alaska UTC-09:00observes daylight saving time
Businesses
18

Where 99729 is

Cantwell, 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

Population121
Median age64.5
Family households18.8%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)71.9%
Black (non-Hispanic)0.8%
Asian (non-Hispanic)0%
Hispanic or Latino4.1%
Veterans27.9%
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

Income per person$33,023
Poverty rate10.7%
Households on SNAP or cash assistance6.2%

Household income distribution

Under $10k5.0%
$10–15k5.0%
$15–20k2.5%
$20–25k30.0%
$25–30k0.0%
$30–35k2.5%
$35–40k2.5%
$40–45k7.5%
$45–50k0.0%
$50–60k15.0%
$60–75k12.5%
$75–100k5.0%
$100–125k10.0%
$125–150k1.2%
$150–200k1.2%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$221,400
Owner-occupied87.5%
Vacant homes65.7%
Median year built1978

What the homes are

Detached house91.8%
Attached house0.4%
2 to 4 units1.3%
Mobile home6.4%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8.3%
Bachelor's degree or higher24.1%
High school diploma or higher98.1%
Works from home14.6%
Drives to work alone80.5%
Takes public transport0%
Commutes 45 minutes or more22.9%
Health

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

Obesity32.8% 0.6 pts below the national average of 33.4%
Diagnosed diabetes11.6% same as the national average of 12%
Currently smokes17.7% 4.5 pts above the national average of 13.2%
High blood pressure40.3% 6.2 pts above the national average of 34.1%
Fair or poor general health19.5% 0.8 pts below the national average of 20.3%
No health insurance (18–64)8.2% 3.1 pts below the national average of 11.3%
Depression18.2% 3.7 pts below the national average of 21.9%
No leisure-time physical activity22.8% 2.6 pts below the national average of 25.4%
Arthritis29.8% 4.7 pts above the national average of 25.1%
Binge drinking17.1% 1.1 pts above the national average of 16%
Taking blood pressure medication73.4% 1.3 pts below the national average of 74.7%
Cancer (non-skin)10.1% 2.4 pts above the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease8.4% 2.2 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 screening85.9% same as the national average of 85.9%
Cognitive disability12.6% 2.2 pts below the national average of 14.8%
Colorectal screening61.9% 2.4 pts below the national average of 64.3%
COPD7.9% 1.3 pts above the national average of 6.6%
Visited a dentist60.8% 0.5 pts below the national average of 61.3%
Any disability32% 1.3 pts above the national average of 30.7%
Lacks emotional support24.1% 0.7 pts below the national average of 24.8%
Food insecurity11.8% 5.3 pts below the national average of 17.1%
Received food stamps7.8% 6.5 pts below the national average of 14.3%
Hearing disability10.6% 3.9 pts above the national average of 6.7%
High cholesterol38.7% 2.5 pts above the national average of 36.2%
Housing insecurity9.9% 3.9 pts below the national average of 13.8%
Independent living disability7.5% 0.9 pts below the national average of 8.4%
Lacks transport7.4% 1.8 pts below the national average of 9.2%
Loneliness28.8% 5.6 pts below the national average of 34.4%
Mammography use70.7% 5.2 pts below the national average of 75.9%
Poor mental health (14+ days)13.6% 3.2 pts below the national average of 16.8%
Mobility disability15% 1 pts above the national average of 14%
Poor physical health (14+ days)15% 1.5 pts above the national average of 13.5%
Self-care disability4% same as the national average of 4%
Utility shut-off threat6.8% 2 pts below the national average of 8.8%
Sleeps under 7 hours32.7% 3.7 pts below the national average of 36.4%
Stroke4.3% 0.9 pts above the national average of 3.4%
All natural teeth lost12.6% same as the national average of 13%
Vision disability5% 0.6 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments18
People employed26
Annual payroll$1,241,000
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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 99.9% of US census tracts
FEMA ratingVery High
Expected annual loss99.8 out of 100
Community resilience3.4 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.

Landslide99.7Relatively High at its worst in this ZIP code
Avalanche99.5Very High at its worst in this ZIP code
Wildfire97.9Relatively High at its worst in this ZIP code
Earthquake97.2Very High at its worst in this ZIP code
Winter weather94.1Very High at its worst in this ZIP code
Volcanic activity86.9Relatively Low at its worst in this ZIP code
Cold wave79.9Very High at its worst in this ZIP code
Lightning21Relatively Low at its worst in this ZIP code
River flooding20Relatively Low at its worst in this ZIP code
Hail4.4Very Low at its worst in this ZIP code
Ice storm3.6Very Low at its worst in this ZIP code
Tornado0.2Very Low at its worst in this ZIP code
Strong wind0Very 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$33,023$44,928$43,289
Poverty rate10.7%10.2%12.4%
Median home value$221,400$333,300$303,400
Median gross rent$1,388$1,348
Homeownership87.5%66.6%65%
Bachelor's degree or higher24.1%31.2%35%
Unemployment rate8.3%5.8%5.2%
Works from home14.6%8.8%13.5%
Born outside the US0%7.8%13.9%
Median age64.535.638.7
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 stationCANTWELL 2 E, AK US0.1 km away
Rain in a year17 in

Average high and low by month

January9.9°F / -8.6°F0.89 in rain
February19°F / -3.5°F0.86 in rain
March25.4°F / -1.9°F0.66 in rain
April39.5°F / 15.9°F0.47 in rain
May54°F / 29.1°F0.76 in rain
June65°F / 38.9°F1.59 in rain
July65.8°F / 44.5°F2.93 in rain
August60.6°F / 40.8°F3.32 in rain
September50.3°F / 31.1°F2.51 in rain
October33.7°F / 16.5°F1.23 in rain
November18.4°F / 0.1°F0.86 in rain
December13.4°F / -5.7°F0.74 in rain
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 supermarket89% of this ZIP code's area
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%.

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

Matanuska-Susitna Borough School District89.2% of this ZIP code's land area
Denali Borough School District10.8% 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 vulnerability43more vulnerable than 43% of US census tracts
Socioeconomic status62more vulnerable than 62% of US census tracts
Household characteristics9more vulnerable than 9% of US census tracts
Racial and ethnic minority status19more vulnerable than 19% of US census tracts
Housing type and transport60more vulnerable than 60% of US census tracts
Walkability2.4 out of 20Least walkable
Nearby ZIP codes

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

99743 Healy, AK58.3 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.

Matanuska-Susitna Borough89.4% of this ZIP code's land area
Denali Borough10.6% of this ZIP code's land area
Time zoneAlaska (UTC-09:00 standard)
Daylight saving timeObserved
Land area2947.73 sq mi
Water area32.03 sq mi
Latitude, longitude63.3955, -148.8973

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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