Big Stone Colony, Montana Demographics & Population 2026
During the 2020–2024 ACS period, Big Stone Colony, Montana had a total population of 45, the 393rd largest community in Montana. The poverty rate is 22.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 0.0% of adults have a bachelor's degree, well below the national average of 35.7%.
Big Stone Colony Quick Facts
How Big Stone Colony Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 44 | 45 | +2.3% |
How Big Stone Colony Compares
Median Household Income
Median Home Value
Economy & Housing
Employment
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 29 | National average: 61
Education
Educational Attainment (Adults 25+)
Big Stone Colony Rankings in Montana
Explore Montana Rankings
Other Cities in Cascade County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Great Falls | 60,329 | $63,373 | 14.5% | $257,000 |
| Malmstrom AFB | 4,302 | $64,833 | 5.8% | N/A |
| Sun Prairie | 1,171 | $55,688 | 9.9% | $164,100 |
| Vaughn | 1,002 | $56,250 | 8.7% | $175,300 |
| Ulm | 900 | $102,708 | 6.9% | $369,400 |
| Black Eagle | 781 | $69,545 | 31.4% | $190,400 |
| Cascade | 572 | $50,938 | 7.9% | $247,600 |
| Belt | 559 | $73,929 | 8.2% | $171,700 |
| Simms | 334 | $42,292 | 5.7% | $237,500 |
| Fort Shaw | 207 | $56,413 | 17.9% | $184,500 |
Cities Similar to Big Stone Colony
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Rosebud | 45 | $46,354 | N/A | 2.2% | 0.0% |
| Luther | 46 | $131,250 | $500,000 | 47.5% | 2.2% |
| Warm Spring Creek | 46 | N/A | N/A | 0.0% | 30.4% |
| Cascade Colony | 44 | N/A | N/A | 0.0% | 100.0% |
| Eagle Creek Colony | 44 | N/A | N/A | 0.0% | 100.0% |
A note before these figures: with a population of 45, Big Stone Colony's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Big Stone Colony is a small community located in Montana, within Cascade County. The total population is 45. It ranks as the 393rd most populous out of 475 Census-designated places in Montana.
Age Demographics
The median age in Big Stone Colony is 37.9 years. This is 6% lower than the state median of 40.4 years.
Economy, Income & Housing
The poverty rate stands at 22.2%. This is 93% higher than the state poverty rate of 11.5%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The survey records no unemployed residents in Big Stone Colony, which reflects the size of the sample rather than a labor market without joblessness.
Race & Ethnicity
The largest racial or ethnic group in Big Stone Colony is White (non-Hispanic), making up 53.3% of the population.
Education
0.0% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 77.8%.
Data Sources & Methodology
All demographic data for Big Stone Colony, Montana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Montana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 475 Census-designated places in Montana. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Big Stone Colony, Montana?
Big Stone Colony, Montana has a population of 45 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Big Stone Colony, MT?
The Census Bureau does not publish a reliable median household income estimate for Big Stone Colony — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Big Stone Colony, MT?
The poverty rate in Big Stone Colony is 22.2%. This means approximately 10 residents live below the federal poverty line.
What is the racial makeup of Big Stone Colony, Montana?
Big Stone Colony's population is 53.3% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Big Stone Colony, MT?
The Census Bureau does not publish a reliable median home value estimate for Big Stone Colony — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Big Stone Colony, Montana?
0.0% of adults (25+) in Big Stone Colony hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.