Postal Codes

59910 ZIP Code

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ZIP code 59910 covers Big Arm, Montana, with a population of about 605.

Population
60531 per square mile
Poverty rate
22.6%10.2 points above the US average
Typical home value
$917,445up 29.2% in five years
Degree or higher
24.8%10.2 points below the US average
Homeownership
72.7%7.7 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
5

Where 59910 is

Big Arm, 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

Population605
Family households70.9%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)68.1%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans10.6%
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$51,564
Poverty rate22.6%
Households on SNAP or cash assistance9.7%

Household income distribution

Under $10k19.4%
$10–15k3.6%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k0.0%
$35–40k0.0%
$40–45k0.0%
$45–50k0.0%
$50–60k1.4%
$60–75k3.6%
$75–100k25.5%
$100–125k2.2%
$125–150k7.2%
$150–200k5.8%
$200k or more31.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed210
Mean adjusted gross income$134,629
Returns declaring $200,000 or more0%
Returns, under $25k38.1%
Returns, $25k–$50k14.3%
Returns, $50k–$75k9.5%
Returns, $75k–$100k9.5%
Returns, $100k–$200k28.6%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied72.7%
Vacant homes38.8%
Median year built1993

What the homes are

Detached house87%
Mobile home13%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$917,445as of 2026-07
Typical home value, 1 yeardown 0.8%
Typical home value, 5 yearsup 29.2%
Typical home value, 10 yearsup 106.1%
Typical home value since 2000
201320192026$973,634$433,068

$433,068 in 2013 to $917,445 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate19.2%
Bachelor's degree or higher24.8%
High school diploma or higher94.8%
Works from home0%
Drives to work alone93.7%
Takes public transport0%
Commutes 45 minutes or more6.3%
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 diabetes13.5% 1.5 pts above the national average of 12%
Currently smokes14.7% 1.5 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 health21.5% 1.2 pts above the national average of 20.3%
No health insurance (18–64)8.6% 2.7 pts below the national average of 11.3%
Depression23.6% 1.7 pts above the national average of 21.9%
No leisure-time physical activity23.6% 1.8 pts below the national average of 25.4%
Arthritis36.8% 11.7 pts above the national average of 25.1%
Binge drinking16.5% 0.5 pts above the national average of 16%
Taking blood pressure medication79% 4.3 pts above the national average of 74.7%
Cancer (non-skin)11.9% 4.2 pts above the national average of 7.7%
Current asthma11.7% 1.3 pts above the national average of 10.4%
Coronary heart disease9.2% 3 pts above the national average of 6.2%
Routine check-up in past year77.6% 0.9 pts above the national average of 76.7%
Cholesterol screening86.5% 0.6 pts above the national average of 85.9%
Cognitive disability13.7% 1.1 pts below the national average of 14.8%
Colorectal screening68.7% 4.4 pts above the national average of 64.3%
COPD9.3% 2.7 pts above the national average of 6.6%
Visited a dentist64.5% 3.2 pts above the national average of 61.3%
Any disability34.1% 3.4 pts above the national average of 30.7%
Lacks emotional support20.7% 4.1 pts below the national average of 24.8%
Food insecurity13.1% 4 pts below the national average of 17.1%
Received food stamps9.4% 4.9 pts below the national average of 14.3%
Hearing disability11.3% 4.6 pts above the national average of 6.7%
High cholesterol36.5% same as the national average of 36.2%
Housing insecurity9.6% 4.2 pts below the national average of 13.8%
Independent living disability9.1% 0.7 pts above the national average of 8.4%
Lacks transport8.2% 1 pts below the national average of 9.2%
Loneliness28.8% 5.6 pts below the national average of 34.4%
Mammography use71.9% 4 pts below the national average of 75.9%
Poor mental health (14+ days)15.8% 1 pts below the national average of 16.8%
Mobility disability17.9% 3.9 pts above the national average of 14%
Poor physical health (14+ days)16.6% 3.1 pts above the national average of 13.5%
Self-care disability4.7% 0.7 pts above the national average of 4%
Utility shut-off threat7.2% 1.6 pts below the national average of 8.8%
Sleeps under 7 hours29.6% 6.8 pts below the national average of 36.4%
Stroke4.9% 1.5 pts above the national average of 3.4%
All natural teeth lost10.2% 2.8 pts below the national average of 13%
Vision disability6% same as the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments5
People employed6
Annual payroll$417,000
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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 94.5% of US census tracts
FEMA ratingRelatively High
Expected annual loss93.3 out of 100
Community resilience39.7 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.

Winter weather98.8Very High at its worst in this ZIP code
Landslide97.8Relatively Moderate at its worst in this ZIP code
Cold wave95.9Very High at its worst in this ZIP code
Wildfire93.9Relatively Moderate at its worst in this ZIP code
Earthquake90.6Relatively High at its worst in this ZIP code
Avalanche87.2Relatively Moderate at its worst in this ZIP code
Ice storm81.5Relatively Moderate at its worst in this ZIP code
River flooding80.5Relatively High at its worst in this ZIP code
Drought78.5Very Low at its worst in this ZIP code
Lightning57.3Relatively Moderate at its worst in this ZIP code
Hail38.4Relatively Low at its worst in this ZIP code
Strong wind33.1Relatively Low at its worst in this ZIP code
Heat wave32.5Relatively Low at its worst in this ZIP code
Tornado2.6Very 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$51,564$39,842$43,289
Poverty rate22.6%12%12.4%
Median home value$338,100$303,400
Median gross rent$1,031$1,348
Homeownership72.7%69.4%65%
Bachelor's degree or higher24.8%34.5%35%
Unemployment rate19.2%3.8%5.2%
Works from home0%11.6%13.5%
Born outside the US0%2.3%13.9%
Median age40.238.7
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 stationSKQ DAM, MT US13.8 km away
Rain in a year16 in
Snow in a year34 in

Average high and low by month

January32.2°F / 20.4°F0.98 in rain, 8.4 in snow
February36.8°F / 21°F0.85 in rain, 4.2 in snow
March46.8°F / 26.2°F1.01 in rain, 5 in snow
April55.9°F / 32.4°F1.53 in rain, 0.9 in snow
May65.2°F / 39.8°F2.01 in rain
June71.4°F / 46.3°F2.42 in rain
July83°F / 51.8°F1 in rain
August82.9°F / 51°F0.89 in rain
September71.4°F / 43.1°F1.14 in rain
October54.9°F / 33.7°F1.49 in rain, 0.7 in snow
November39.8°F / 25.9°F1.24 in rain, 4.7 in snow
December31.9°F / 21°F1.18 in rain, 9.7 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.

Polson High School District50% of this ZIP code's land area
Polson Elementary School District39.9% of this ZIP code's land area
Upper West Shore Elementary School District10.1% 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 vulnerability72more vulnerable than 72% of US census tracts
Socioeconomic status72more vulnerable than 72% of US census tracts
Household characteristics79more vulnerable than 79% of US census tracts
Racial and ethnic minority status47more vulnerable than 47% of US census tracts
Housing type and transport55more vulnerable than 55% of US census tracts
Walkability5.3 out of 20Least walkable
Nearby ZIP codes

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

59915 Elmo, MT5.3 km away
59914 Dayton, MT7.5 km away
59931 Rollins, MT14.8 km away
59860 Polson, MT17 km away
59929 Proctor, MT17.2 km away
59855 Pablo, MT25.6 km away
59922 Lakeside, MT25.8 km away
59848 Lonepine, MT27.7 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.

Lake County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area19.25 sq mi
Water area41.55 sq mi
Population density31 people per sq mi
Latitude, longitude47.7952, -114.3020

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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