Three Forks, Montana Demographics & Population 2026
During the 2020–2024 ACS period, Three Forks, Montana had a total population of 1,919, the 59th largest city in Montana, with a median household income of $79,784, which is 10% higher than the state average. The poverty rate is 6.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Three Forks Quick Facts
How Three Forks 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 | 2,034 | 1,919 | -5.7% |
| Median household income | $80,394 | $79,784 | -0.8% |
| Median home value | $382,400 | $395,800 | +3.5% |
How Three Forks Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 29 | National average: 61
Education
Educational Attainment (Adults 25+)
Three Forks Rankings in Montana
Explore Montana Rankings
Other Cities in Gallatin County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Bozeman | 56,114 | $85,747 | 13.7% | $687,900 |
| Belgrade | 11,872 | $97,328 | 11.2% | $535,200 |
| Four Corners | 5,791 | $100,917 | 6.3% | $648,400 |
| Big Sky | 2,445 | $138,805 | 4.7% | $1,137,900 |
| Manhattan | 2,288 | $87,865 | 2.9% | $517,800 |
| King Arthur Park | 1,992 | $109,106 | 7.4% | N/A |
| West Yellowstone | 1,474 | $58,839 | 13.1% | $504,300 |
| Churchill | 1,167 | $108,281 | 6.3% | $690,600 |
| Ponderosa Pines | 950 | $73,681 | 18.0% | N/A |
| Gallatin Gateway | 933 | $82,500 | 9.8% | $814,400 |
Cities Similar to Three Forks
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Townsend | 1,967 | $70,752 | $227,600 | 21.5% | 15.6% |
| Frenchtown | 1,927 | $94,500 | $475,500 | 32.2% | 9.9% |
| Colstrip | 2,101 | $82,500 | $194,900 | 25.9% | 9.4% |
| Columbus | 2,003 | $65,250 | $282,800 | 24.0% | 11.0% |
| King Arthur Park | 1,992 | $109,106 | N/A | 31.8% | 7.4% |
Population Overview
Three Forks is a small community located in Montana, within Gallatin County. The total population is 1,919. It ranks as the 59th most populous out of 475 Census-designated places in Montana.
Age Demographics
The median age in Three Forks is 41.4 years. This is 2% higher than the state median of 40.4 years.
Economy, Income & Housing
The median household income in Three Forks is $79,784. This is 10% higher than the state median of $72,509. It is also 1% lower than the national median of $80,734. The poverty rate stands at 6.2%. This is 46% lower than the state poverty rate of 11.5%. The survey records no unemployed residents in Three Forks, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $395,800. Housing costs are 5% higher than the state median of $375,800. The home-value-to-income ratio is 5.0x. 73.2% of occupied housing units are owner-occupied. This homeownership rate is 6% higher than the state average of 69.2%.
Race & Ethnicity
Three Forks has a predominantly White (non-Hispanic) population, comprising 95.0% of all residents. Hispanic or Latino residents account for 2.3%. The Asian population is significantly higher than the state average (1.6% vs 0.8%).
Education
21.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 40% lower than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.7%.
Data Sources & Methodology
All demographic data for Three Forks, 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 Three Forks, Montana?
Three Forks, Montana has a population of 1,919 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Three Forks, MT?
The median household income in Three Forks is $79,784, which is 1% lower than the national median of $80,734.
What is the poverty rate in Three Forks, MT?
The poverty rate in Three Forks is 6.2%. This means approximately 115 residents live below the federal poverty line.
What is the racial makeup of Three Forks, Montana?
Three Forks's population is 95.0% White, 0.0% Black, 2.3% Hispanic/Latino, and 1.6% Asian.
What is the median home value in Three Forks, MT?
The median home value in Three Forks is $395,800. The home-value-to-income ratio is 5.0x.
How educated is Three Forks, Montana?
21.0% of adults (25+) in Three Forks hold a bachelor's degree or higher, and 0.8% hold a graduate or professional degree.