Postal Codes

59311 ZIP Code

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ZIP code 59311 covers Alzada, Montana, with a population of about 145.

Population
145
Median age
5718.3 points above the US average
Poverty rate
6.9%5.5 points below the US average
Degree or higher
17.7%17.3 points below the US average
Homeownership
68.2%3.2 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
3

Where 59311 is

Alzada, Montana — 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

Population145
Median age57
Family households83.3%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)100%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans6.5%
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$33,107
Poverty rate6.9%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k0.0%
$10–15k3.0%
$15–20k3.0%
$20–25k0.0%
$25–30k7.6%
$30–35k0.0%
$35–40k0.0%
$40–45k4.5%
$45–50k24.2%
$50–60k4.5%
$60–75k7.6%
$75–100k30.3%
$100–125k4.5%
$125–150k4.5%
$150–200k6.1%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied68.2%
Vacant homes17.5%
Median year built1978

What the homes are

Detached house60%
Mobile home40%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3%
Bachelor's degree or higher17.7%
High school diploma or higher98.2%
Works from home49%
Drives to work alone36.5%
Takes public transport0%
Commutes 45 minutes or more22.4%
Health

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

Obesity34.4% 1 pts above the national average of 33.4%
Diagnosed diabetes11.1% 0.9 pts below the national average of 12%
Currently smokes16.8% 3.6 pts above the national average of 13.2%
High blood pressure37.2% 3.1 pts above the national average of 34.1%
Fair or poor general health20.8% 0.5 pts above the national average of 20.3%
No health insurance (18–64)10.1% 1.2 pts below the national average of 11.3%
Depression23.8% 1.9 pts above the national average of 21.9%
No leisure-time physical activity24.1% 1.3 pts below the national average of 25.4%
Arthritis31.2% 6.1 pts above the national average of 25.1%
Binge drinking19.5% 3.5 pts above the national average of 16%
Taking blood pressure medication75% same as the national average of 74.7%
Cancer (non-skin)10.4% 2.7 pts above the national average of 7.7%
Current asthma11.3% 0.9 pts above the national average of 10.4%
Coronary heart disease8.1% 1.9 pts above the national average of 6.2%
Routine check-up in past year72.3% 4.4 pts below the national average of 76.7%
Cholesterol screening84.2% 1.7 pts below the national average of 85.9%
Cognitive disability14.9% same as the national average of 14.8%
Colorectal screening63.8% 0.5 pts below the national average of 64.3%
COPD8.7% 2.1 pts above the national average of 6.6%
Visited a dentist56.8% 4.5 pts below the national average of 61.3%
Any disability32.7% 2 pts above the national average of 30.7%
Lacks emotional support21.7% 3.1 pts below the national average of 24.8%
Food insecurity12.5% 4.6 pts below the national average of 17.1%
Received food stamps9.9% 4.4 pts below the national average of 14.3%
Hearing disability10.3% 3.6 pts above the national average of 6.7%
High cholesterol35.5% 0.7 pts below the national average of 36.2%
Housing insecurity10.1% 3.7 pts below the national average of 13.8%
Independent living disability8.9% 0.5 pts above the national average of 8.4%
Lacks transport7.7% 1.5 pts below the national average of 9.2%
Loneliness28.3% 6.1 pts below the national average of 34.4%
Mammography use68.7% 7.2 pts below the national average of 75.9%
Poor mental health (14+ days)17.1% same as the national average of 16.8%
Mobility disability15.5% 1.5 pts above the national average of 14%
Poor physical health (14+ days)15.7% 2.2 pts above the national average of 13.5%
Self-care disability4.3% same as the national average of 4%
Utility shut-off threat7.6% 1.2 pts below the national average of 8.8%
Sleeps under 7 hours32.4% 4 pts below the national average of 36.4%
Stroke4.2% 0.8 pts above the national average of 3.4%
All natural teeth lost17.2% 4.2 pts above the national average of 13%
Vision disability5.2% same as the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments3
People employed7
Annual payroll$284,000
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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 77.9% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss77.2 out of 100
Community resilience1.6 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.

Winter weather99.3Very High at its worst in this ZIP code
Cold wave98.6Very High at its worst in this ZIP code
Wildfire97.4Relatively High at its worst in this ZIP code
Hail92.2Relatively High at its worst in this ZIP code
Landslide88.2Relatively Low at its worst in this ZIP code
Drought84.9Relatively Low at its worst in this ZIP code
Strong wind75.4Relatively Moderate at its worst in this ZIP code
River flooding70.7Relatively Moderate at its worst in this ZIP code
Lightning53.5Relatively Moderate at its worst in this ZIP code
Tornado47.9Relatively Low at its worst in this ZIP code
Ice storm45Relatively Low at its worst in this ZIP code
Earthquake37.9Very Low at its worst in this ZIP code
Heat wave23.8Relatively Low at its worst in this ZIP code
Avalanche0.1Very Low at its worst in this ZIP code
Compared with Montana 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 ZIPMontanaUnited States
Median household income$69,922$78,538
Income per person$33,107$39,842$43,289
Poverty rate6.9%12%12.4%
Median home value$338,100$303,400
Median gross rent$1,031$1,348
Homeownership68.2%69.4%65%
Bachelor's degree or higher17.7%34.5%35%
Unemployment rate3%3.8%5.2%
Works from home49%11.6%13.5%
Born outside the US0%2.3%13.9%
Median age5740.238.7
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 stationALBION 1 N, MT US5.9 km away
Rain in a year17 in
Snow in a year29 in

Average high and low by month

January28.7°F / 3.3°F0.27 in rain, 2.6 in snow
February31.7°F / 5.6°F0.48 in rain, 7.3 in snow
March42.8°F / 14.4°F1.03 in rain, 5.7 in snow
April53.3°F / 24.2°F1.62 in rain, 3 in snow
May64.1°F / 35.2°F3.14 in rain, 1.4 in snow
June74.9°F / 44.8°F3.03 in rain
July84.4°F / 50.4°F1.9 in rain
August83°F / 47.7°F1.95 in rain
September72.9°F / 37°F1.09 in rain
October55.7°F / 24.4°F1.32 in rain, 1.6 in snow
November42.1°F / 13°F0.31 in rain, 3.3 in snow
December30.9°F / 3.8°F0.42 in rain, 3.7 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%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Carter County High School District50% of this ZIP code's land area
Alzada Elementary School District44.8% of this ZIP code's land area
Hawks Home Elementary School District5.2% 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 vulnerability57more vulnerable than 57% of US census tracts
Socioeconomic status55more vulnerable than 55% of US census tracts
Household characteristics28more vulnerable than 28% of US census tracts
Racial and ethnic minority status9more vulnerable than 9% of US census tracts
Housing type and transport88more vulnerable than 88% of US census tracts
Walkability5.2 out of 20Least walkable
Nearby ZIP codes

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

59319 Capitol, MT34.7 km away
82710 Aladdin, WY45.8 km away
59332 Hammond, MT50.6 km away
82711 Alva, WY54 km away
82720 Hulett, WY54.5 km away
57724 Camp Crook, SD56.8 km away
57776 Redig, SD57.3 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.

Carter County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area808.18 sq mi
Water area2.32 sq mi
Latitude, longitude45.1562, -104.2617

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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