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 distinguished by its share of foreign-born residents, 59.3% of the population. Mineral County is a county in Montana with a population of 4,796. It ranks #37 among counties in Montana by population.
Household earnings are middling, with a median of $61,117 — below the US median of $78,538. The poverty rate is 11.7%, below the national 12.4%. Home values run above average at $313,600, with typical rent around $746.
Degree attainment is mid-range for US counties: 26.6% of adults hold a four-year degree, below the national 35.0%. A solid 10.5% of workers are based at home, below the national 14.0%, and the average commute runs about 26 minutes each way.
The large foreign-born share is a defining thread in Mineral County, shaping language, household composition, and the labor force behind the economic figures above.
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
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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.