Mineral County, Montana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 37th-largest in Montana
The population of Mineral County, Montana is 4,796 as of the 2023 American Community Survey, making it the 37th-largest county in Montana. The median household income is $61,117, the median home value is $313,600, and the median age is 50.1.
The population of Mineral County has grown 22.8% since 2010 (4,230 → 5,195), a +1.48% annualized rate.
4,796
Population
+1.48%
Annual growth
4
People / sq mi
$61,117
Median Income
$313,600
Median Home Value
Mineral County covers 1,220 sq mi of land at 3.9 people per square mile.
About Mineral County, MT
Mineral County is a county in Montana with a population of 4,796. It ranks #37 among counties in Montana by population. The median age is 50.1, older than the national median. The population is 52.9% male and 47.1% female.
The median household income in Mineral County is $61,117, below the US median of $74,580. 11.7% of residents live below the federal poverty level. Home values sit at a median of $313,600, with monthly rent averaging $746. The homeownership rate of 80.3% is higher than the national rate of 64.8%.
Educational attainment in Mineral County reflects 26.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 10.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 26.3 minutes each way.
Mineral County Population History (2010-2024)
The county of Mineral County had a population of 4,230 in 2010 and 5,195 in 2024, a 22.8% growth over 14 years. The peak was 5,195 in 2024. Average annual growth rate: 1.50%.
5,195
Population (2024)
4,230
Population (2010)
5,195
Peak (2024)
1.50%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 4,230 |
| 2011 | 4,221 |
| 2012 | 4,130 |
| 2013 | 4,230 |
| 2014 | 4,196 |
| 2015 | 4,194 |
| 2016 | 4,129 |
| 2017 | 4,240 |
| 2018 | 4,314 |
| 2019 | 4,422 |
| 2020 | 4,568 |
| 2021 | 4,859 |
| 2022 | 5,037 |
| 2023 | 5,135 |
| 2024 | 5,195 |
Race & Ethnicity
| White | 92.7% |
| Black or African American | 0.7% |
| Asian | 0.2% |
| Hispanic or Latino (any race) | 3.6% |
| Two or More Races | 0.0% |
Age & Sex
50.1
Median Age
47.1%
Female
52.9%
Male
28.1%
Age 65+
Age Distribution
Children (under 15): 17.0% · Seniors (65+): 28.1%
Income & Poverty
| Median household income | $61,117$-8,805 vs state |
| Mean household income | $83,707 |
| Per-capita income | $37,583 |
| Poverty rate | 11.7%+4.6% vs state |
| Unemployment rate | 2.1% |
| Employment-to-population | 50.8% |
Top Industries by Employment
The largest employment sector in Mineral County is professional & business services, accounting for 19.4% of workers.
How residents commute
0.1%
Drive alone
5.8%
Carpool
66.7%
Public transit
10.5%
Work from home
26.3 min
Avg commute
Housing
$313,600$-24,500 vs state
Median home value
$746
Median rent
80.3%
Homeownership rate
2,569
Total housing units
83.0%
Occupied
17.0%
Vacant
19.7%
Renter-occupied
Social & access
91.7%
With health insurance
92.4%
With broadband internet
59.3%
Foreign-born
13.7%
Veterans (18+)
18.1%
With a disability
97.4%
Speak language other than English at home
Education
93.3%
High School+
26.6%
Bachelor's+
Largest cities in Montana
Other counties in Montana
Part of Montana
Metro areas in Montana
County rankings
Frequently Asked Questions
Mineral County, Montana has a population of 4,796 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 37th-largest county in Montana. Population density is 4 people per square mile.
The population of Mineral County has grown 22.8% since 2010 (4,230 → 5,195), a +1.48% annualized rate.
The median household income in Mineral County, Montana is $61,117, with mean (average) household income of $83,707 and per-capita income of $37,583. 11.7% of residents live below the federal poverty level.
In Mineral County, the largest racial and ethnic groups are White (92.7%), Hispanic or Latino (3.6%), Black or African American (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Mineral County, Montana is 50.1 years. Residents are 47.1% female and 52.9% male.
The median home value in Mineral County is $313,600 and median monthly rent is $746. 80.3% of occupied housing units are owner-occupied. The county has 2,569 total housing units, 17.0% of which are vacant.
The largest employment sector in Mineral County, Montana is professional, scientific, and management services, employing 19.4% of workers. The unemployment rate is 2.1%.
Billings is among the largest cities associated with Mineral County, Montana, with a population of 118,321.
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Statewide data for Montana
Population, race, income, age, and trends across Montana
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.