Dewey, Montana Demographics & Population 2026
During the 2020–2024 ACS period, Dewey, Montana had a total population of 26, the 430th largest community in Montana. The poverty rate is 38.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- More than 1 in 4 residents live below the poverty line (38.5%), well above the national average of 12.4%.
- Unemployment rate of 10.0% is notably above the national average.
Dewey Quick Facts
How Dewey 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 | 27 | 26 | -3.7% |
How Dewey 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+)
Dewey Rankings in Montana
Explore Montana Rankings
Other Cities in Beaverhead County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Dillon | 4,085 | $61,134 | 11.5% | $256,700 |
| Lima | 218 | $53,871 | 18.8% | $189,100 |
| Wisdom | 110 | $61,198 | 5.5% | N/A |
| Argenta | 94 | N/A | 100.0% | N/A |
| Maverick Mountain | 73 | $88,333 | 2.7% | $375,000 |
| Jackson | 61 | N/A | 16.4% | N/A |
| Lakeview | 32 | N/A | 34.4% | N/A |
| Grant | 31 | $61,719 | 0.0% | $114,100 |
| Wise River | 30 | $55,313 | 20.0% | $381,800 |
| Dell | 24 | N/A | 0.0% | N/A |
Cities Similar to Dewey
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Haugan | 26 | N/A | N/A | 0.0% | 0.0% |
| Midway Colony | 26 | N/A | N/A | 100.0% | 100.0% |
| Riceville | 26 | N/A | N/A | 0.0% | 0.0% |
| Canyon Creek | 27 | N/A | N/A | 0.0% | 100.0% |
| Golden Valley Colony | 27 | N/A | N/A | 0.0% | 51.8% |
A note before these figures: with a population of 26, Dewey'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
Dewey is a small community located in Montana, within Beaverhead County. The total population is 26. It ranks as the 430th most populous out of 475 Census-designated places in Montana.
Age Demographics
The median age in Dewey is 67.0 years. This is 66% higher than the state median of 40.4 years. 26.9% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The poverty rate stands at 38.5%. This is 234% 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 unemployment rate is 10.0%. This is 176% higher than the state rate of 3.6%. 87.5% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 69.2%.
Race & Ethnicity
The largest racial or ethnic group in Dewey is White (non-Hispanic), making up 80.8% of the population. Hispanic or Latino residents account for 7.7%. The Hispanic or Latino population is significantly higher than the state average (7.7% vs 4.6%).
Education
23.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 34% 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 88.5%.
Data Sources & Methodology
All demographic data for Dewey, 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 Dewey, Montana?
Dewey, Montana has a population of 26 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Dewey, MT?
The Census Bureau does not publish a reliable median household income estimate for Dewey — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Dewey, MT?
The poverty rate in Dewey is 38.5%. This means approximately 10 residents live below the federal poverty line.
What is the racial makeup of Dewey, Montana?
Dewey's population is 80.8% White, 0.0% Black, 7.7% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Dewey, MT?
The Census Bureau does not publish a reliable median home value estimate for Dewey — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Dewey, Montana?
23.1% of adults (25+) in Dewey hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.