Fairfield, Montana Demographics & Population 2026
During the 2020–2024 ACS period, Fairfield, Montana had a total population of 759, the 124th largest town in Montana, with a median household income of $69,265, which is 4% lower than the state average. The poverty rate is 5.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Fairfield Quick Facts
How Fairfield 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 | 746 | 759 | +1.7% |
| Median household income | $66,544 | $69,265 | +4.1% |
| Median home value | $203,000 | $217,400 | +7.1% |
How Fairfield 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+)
Fairfield Rankings in Montana
Explore Montana Rankings
Other Cities in Teton County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Choteau | 1,479 | $51,632 | 5.7% | $206,000 |
| Dutton | 268 | $60,987 | 6.0% | $139,500 |
| Power | 217 | $75,250 | 18.4% | $167,700 |
| New Rockport Colony | 110 | N/A | 78.7% | N/A |
| Miller Colony | 67 | N/A | 100.0% | N/A |
| Rockport Colony | 66 | N/A | 80.8% | N/A |
| Bynum | 15 | $49,375 | 13.3% | N/A |
| Pendroy | 13 | $83,750 | 53.8% | $80,000 |
Cities Similar to Fairfield
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Ennis | 777 | $69,650 | $402,500 | 19.4% | 9.4% |
| Black Eagle | 781 | $69,545 | $190,400 | 15.9% | 31.4% |
| Muddy | 724 | N/A | $163,800 | 6.2% | 52.3% |
| Big Sandy | 784 | $60,521 | $187,500 | 17.2% | 8.6% |
| Pinesdale | 833 | $66,875 | $230,000 | 14.0% | 13.8% |
A note before these figures: with a population of 759, Fairfield'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
Fairfield is a small community located in Montana, within Teton County. The total population is 759. It ranks as the 124th most populous out of 475 Census-designated places in Montana.
Age Demographics
The median age in Fairfield is 31.8 years. This is 21% lower than the state median of 40.4 years. With 29.4% of the population under 18, Fairfield has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Fairfield is $69,265. This is 4% lower than the state median of $72,509. It is also 14% lower than the national median of $80,734. The poverty rate stands at 5.2%. This is 55% lower than the state poverty rate of 11.5%. The unemployment rate is 3.9%. This is 9% higher than the state rate of 3.6%. The median home value is $217,400. Housing costs are 42% lower than the state median of $375,800. The home-value-to-income ratio is 3.1x. 66.0% of occupied housing units are owner-occupied. This homeownership rate is 5% lower than the state average of 69.2%.
Race & Ethnicity
Fairfield has a predominantly White (non-Hispanic) population, comprising 94.5% of all residents. Black or African American residents account for 1.7%. The Black or African American population is significantly higher than the state average (1.7% vs 0.4%).
Education
27.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 22% 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 92.7%.
Data Sources & Methodology
All demographic data for Fairfield, 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 Fairfield, Montana?
Fairfield, Montana has a population of 759 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Fairfield, MT?
The median household income in Fairfield is $69,265, which is 14% lower than the national median of $80,734.
What is the poverty rate in Fairfield, MT?
The poverty rate in Fairfield is 5.2%. This means approximately 39 residents live below the federal poverty line.
What is the racial makeup of Fairfield, Montana?
Fairfield's population is 94.5% White, 1.7% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Fairfield, MT?
The median home value in Fairfield is $217,400. The home-value-to-income ratio is 3.1x.
How educated is Fairfield, Montana?
27.4% of adults (25+) in Fairfield hold a bachelor's degree or higher, and 11.8% hold a graduate or professional degree.