Old Agency, Montana Demographics & Population 2026
During the 2020–2024 ACS period, Old Agency, Montana had a total population of 129, the 303rd largest community in Montana, with a median household income of $45,750, which is 37% lower than the state average. The poverty rate is 52.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 37% below the state average, indicating significant economic challenges.
- More than 1 in 4 residents live below the poverty line (52.7%), well above the national average of 12.4%.
- Only 2.0% of adults have a bachelor's degree, well below the national average of 35.7%.
- Unemployment rate of 18.2% is notably above the national average.
Old Agency Quick Facts
How Old Agency 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 | 114 | 129 | +13.2% |
| Median household income | $33,750 | $45,750 | +35.6% |
How Old Agency 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 diverse community with significant representation from multiple racial and ethnic groups.
State average: 29 | National average: 61
Education
Educational Attainment (Adults 25+)
Old Agency Rankings in Montana
Explore Montana Rankings
Other Cities in Sanders County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Thompson Falls | 1,500 | $46,313 | 6.5% | $266,400 |
| Plains | 1,195 | $25,491 | 31.2% | $248,300 |
| Hot Springs | 557 | $21,300 | 29.2% | $150,900 |
| Heron | 328 | $29,207 | 59.8% | $433,300 |
| Dixon | 281 | $48,333 | 28.5% | $234,400 |
| Trout Creek | 252 | $64,853 | 0.0% | N/A |
| Noxon | 209 | $60,167 | 0.0% | $197,500 |
| Weeksville | 147 | $64,333 | 0.0% | $782,300 |
| Lonepine | 122 | $31,667 | 19.7% | $375,000 |
| Paradise | 76 | N/A | 0.0% | N/A |
Cities Similar to Old Agency
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Camrose Colony | 126 | N/A | N/A | 28.9% | 71.4% |
| Tracy | 133 | N/A | N/A | 16.2% | 18.1% |
| Sand Coulee | 134 | N/A | $212,500 | 21.6% | 10.4% |
| Pleasant Valley Colony | 137 | N/A | N/A | 0.0% | 44.5% |
| Roy | 129 | $51,875 | N/A | 17.7% | 36.5% |
A note before these figures: with a population of 129, Old Agency'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
Old Agency is a small community located in Montana, within Sanders County. The total population is 129. It ranks as the 303rd most populous out of 475 Census-designated places in Montana.
Age Demographics
The median age in Old Agency is 18.3 years. This is 55% lower than the state median of 40.4 years. With 48.8% of the population under 18, Old Agency has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Old Agency is $45,750. This is 37% lower than the state median of $72,509. It is also 43% lower than the national median of $80,734. The poverty rate stands at 52.7%. This is 358% 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 18.2%. This is 402% higher than the state rate of 3.6%. 38.1% of occupied housing units are owner-occupied. This homeownership rate is 45% lower than the state average of 69.2%.
Race & Ethnicity
Old Agency is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. White (non-Hispanic) residents account for 3.9%. The White (non-Hispanic) population (3.9%) is well below the state average of 83.6%. The Hispanic or Latino population is significantly higher than the state average (38.0% vs 4.6%).
Education
2.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 94% 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 90.0%.
Data Sources & Methodology
All demographic data for Old Agency, 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 Old Agency, Montana?
Old Agency, Montana has a population of 129 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Old Agency, MT?
The median household income in Old Agency is $45,750, which is 43% lower than the national median of $80,734.
What is the poverty rate in Old Agency, MT?
The poverty rate in Old Agency is 52.7%. This means approximately 68 residents live below the federal poverty line.
What is the racial makeup of Old Agency, Montana?
Old Agency's population is 3.9% White, 0.0% Black, 38.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Old Agency, MT?
The Census Bureau does not publish a reliable median home value estimate for Old Agency — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Old Agency, Montana?
2.0% of adults (25+) in Old Agency hold a bachelor's degree or higher, and 2.0% hold a graduate or professional degree.