Big Arm, MT
Population 142 · Montana
About Big Arm, MT
Big Arm is a small community in Montana with a population of 142 residents. The median household income is $0 per year, which is below the national average. The median age in Big Arm is 31.5 years.
Housing in Big Arm has a median home value of $0 and median monthly rent of $0. Of the 82 total housing units, the majority are owner-occupied, with 49 owner-occupied and 0 renter-occupied units.
The unemployment rate in Big Arm is 0.0% and the poverty rate is 55.6%. 11.2% of residents hold a bachelor's degree or higher. The average commute time is 0 minutes.
Cost of Living in Big Arm, MT
Compared to national averages, Big Arm has a median household income of $0 (100% below the national median of $75,149). Home values average $0, which is 100% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within Montana, Big Arm's income is 100% below the state average of $65,821, and home values are 100% below the state median of $288,703.
Why Live in Big Arm, MT?
Big Arm offers affordable housing with a median home value of $0, below the US average of $244,900, and rent that’s lower than the national average at $0/month, and a strong job market with an unemployment rate of just 0.0%. Additionally, the city features short commute times averaging just 0 minutes.
Potential considerations include median household income ($0) that falls below the national average. However, Big Arm’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Big Arm has a population of 142 with a median age of 31.5 years. Compare Big Arm with other cities to see how it stacks up, or explore all cities in Montana.
Similar Cities Near Big Arm
Cities in Montana with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Amsterdam | 145 | $96,750 | $312,500 | Compare |
| Avon | 145 | $97,656 | $187,500 | Compare |
| Hobson | 145 | $34,750 | $112,500 | Compare |
| Saddle Butte | 139 | $69,688 | $292,200 | Compare |
| Garrison | 138 | $46,250 | $350,000 | Compare |
| Happys Inn | 146 | $47,976 | $417,000 | Compare |
| Sand Coulee | 146 | $0 | $253,100 | Compare |
| Stockett | 148 | $77,614 | $190,900 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Montana
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Big Arm
What is the population of Big Arm, MT?
The population of Big Arm, MT is 142 according to the latest Census data.
What is the median household income in Big Arm?
The median household income in Big Arm, MT is $0 per year.
What is the median home value in Big Arm?
The median home value in Big Arm, MT is $0.
What is the average rent in Big Arm?
The median monthly rent in Big Arm, MT is $0.
What is the unemployment rate in Big Arm?
The unemployment rate in Big Arm, MT is 0.0%.