Lincoln County, Montana Demographics 2026
Lincoln County, Montana has a population of 21,175, the 10th most populous county in Montana. The median household income is $47,143 and the median home value is $296,500. The poverty rate is 15.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Lincoln County Quick Facts
How Lincoln County 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 | 20,656 | 21,175 | +2.5% |
| Median household income | $47,018 | $47,143 | +0.3% |
| Median home value | $258,700 | $296,500 | +14.6% |
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+)
Cities & Places in Lincoln County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Libby | 3,042 | $34,143 | 24.0% | $257,400 |
| Eureka | 1,840 | $38,750 | 31.3% | $172,000 |
| White Haven | 978 | $41,154 | 25.2% | $205,300 |
| Troy | 871 | $32,250 | 39.8% | $257,600 |
| Pioneer Junction | 798 | $59,107 | 2.5% | $321,600 |
| Trego | 692 | $108,750 | 3.9% | $328,800 |
| West Kootenai | 494 | $93,869 | 0.0% | $270,000 |
| Fortine | 351 | $66,402 | 18.8% | $325,900 |
| Yaak | 293 | $60,000 | 19.6% | $380,800 |
| Bull Lake | 247 | N/A | 0.0% | $592,100 |
| Happys Inn | 229 | $40,221 | 18.3% | $435,000 |
| Sylvanite | 145 | $61,000 | 0.0% | $400,000 |
| Rexford | 134 | $51,406 | 12.7% | $312,500 |
Explore Montana Rankings
Population Overview
Lincoln County is located in Montana with a total population of 21,175. It is the 10th most populous county out of 56 in Montana. The county encompasses 13 Census-designated places.
Age Demographics
The median age in Lincoln County is 52.8 years. This is 31% higher than the state median of 40.4 years. 11.5% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Lincoln County is $47,143. This is 35% lower than the state median of $72,509. It is also 42% lower than the national median of $80,734. The poverty rate stands at 15.4%. This is 34% higher than the state poverty rate of 11.5%. The unemployment rate is 5.1%. This is 40% higher than the state rate of 3.6%. The median home value is $296,500. Housing costs are 21% lower than the state median of $375,800. The home-value-to-income ratio of 6.3x suggests that housing affordability is a significant concern for many residents. 77.6% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 69.2%.
Race & Ethnicity
Lincoln County has a predominantly White (non-Hispanic) population, comprising 90.0% of all residents. Hispanic or Latino residents account for 3.1%. The Black or African American population (0.1%) is well below the state average of 0.4%. The Asian population (0.2%) is well below the state average of 0.8%.
Education
18.9% 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. This is 46% 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 90.5%.
Data Sources & Methodology
All figures for Lincoln County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Montana and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Lincoln County, Montana?
Lincoln County has a population of 21,175, making it the 10th most populous county in Montana.
What is the median income in Lincoln County?
The median household income in Lincoln County is $47,143 with a poverty rate of 15.4%.
How many cities are in Lincoln County, Montana?
Lincoln County contains 13 Census-designated places.