Counties of Montana
Montana has 56 counties, home to 1,144,694 people across 376,974 km². Each county below opens its full profile — Census Bureau and American Community Survey figures, and how it ranks against the rest of Montana and the country.
- Counties
- 56
- Population
- 1,144,694
- 2025 estimate
- #43 of 51 states
- Area
- 376,974 km²
- #4 of 51 states
- Density
- 3
- per km²
- #49 of 51 states
How Montana's counties spread
Across Montana's counties: the middle value, where the state ranks among all states (1 = highest median), and which county is highest and lowest. Medians rather than totals, since most of these are rates that cannot be added up.
Amenities & Infrastructure
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Households with Broadband2024 | 85.7% | 38 / 50 | Gallatin County93.3% | Roosevelt County74.1% |
| Median Gross Rent2024 | $818 | 39 / 50 | Gallatin County$1,694 | Judith Basin County$495 |
| Median Home Value2024 | $235,550 | 22 / 50 | Gallatin County$667,600 | Wibaux County$98,600 |
| Owner-Occupied Homes2024 | 72.5% | 37 / 50 | McCone County89.8% | Missoula County58.8% |
| Vacant Homes2024 | 19.3% | 9 / 50 | Granite County41.8% | Yellowstone County5.8% |
Demography
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Aged 65 and Over2024 | 23.6% | 3 / 50 | Prairie County42.2% | Roosevelt County12.2% |
| American Indian & Alaska Native2024 | 1.7% | 6 / 50 | Big Horn County66.2% | Wibaux County0.0% |
| Asian, non-Hispanic2024 | 0.5% | 41 / 50 | Prairie County2.7% | Garfield County0.0% |
| Average Household Size2024people | 2.4 | 34 / 50 | Roosevelt County3.3 | Deer Lodge County2 |
| Black, non-Hispanic2024 | 0.2% | 49 / 50 | Toole County1.7% | Petroleum County0.0% |
| Foreign-Born2024 | 1.7% | 43 / 50 | Wibaux County5.2% | Garfield County0.0% |
| Hispanic or Latino2024 | 3.5% | 36 / 50 | Wibaux County7.7% | Garfield County0.0% |
| Median Age2024years | 44.3 | 5 / 50 | Meagher County58.3 | Roosevelt County30.9 |
| Sex Ratio2024per 1,000 males | 977 | 39 / 50 | Liberty County1,136 | Powell County538 |
| Speak a Language Other Than English2024 | 3.0% | 47 / 50 | Big Horn County22.3% | Garfield County0.0% |
| Under 182024 | 20.9% | 31 / 50 | Roosevelt County32.9% | Deer Lodge County12.0% |
| Veterans2024 | 9.3% | 4 / 50 | Petroleum County16.3% | Fallon County2.1% |
| White, non-Hispanic2024 | 89.0% | 15 / 50 | Petroleum County98.9% | Big Horn County27.0% |
Economy
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Below Poverty Line2024 | 12.5% | 23 / 50 | Glacier County31.1% | McCone County5.0% |
| Households on SNAP2024 | 6.8% | 43 / 50 | Glacier County23.8% | McCone County0.3% |
| Income Inequality2024index | 0.453 | 17 / 50 | Prairie County0.514 | Valley County0.376 |
| Median Household Income2024 | $65,868 | 33 / 50 | Jefferson County$95,490 | Glacier County$46,875 |
| Per Capita Income2024 | $36,569 | 27 / 50 | Gallatin County$54,482 | Big Horn County$22,861 |
| Unemployment Rate2024 | 3.1% | 45 / 50 | Blaine County13.6% | Fallon County0.0% |
Education
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Bachelor's Degree or Higher2024 | 25.9% | 17 / 50 | Gallatin County54.3% | Fallon County16.2% |
| High School or Higher2024 | 93.6% | 6 / 50 | Fallon County99.6% | Liberty County83.8% |
Health Coverage
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| No Health Insurance2024 | 7.5% | 22 / 50 | Roosevelt County25.2% | Daniels County2.0% |
| With a Disability2024 | 16.3% | 19 / 50 | Deer Lodge County25.6% | Petroleum County6.7% |
Population & Density
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Population2025 | 7,819 | 45 / 50 | Yellowstone County172,692 | Petroleum County548 |
| Population Density2025/km² | 1 | 47 / 50 | Yellowstone County25 | Powder River County0 |
Work & Commute
| Indicator | Median | Rank | Highest | Lowest |
|---|---|---|---|---|
| Commute by Public Transit2024 | 0.2% | 25 / 50 | Sheridan County3.8% | McCone County0.0% |
| Households with No Vehicle2024 | 4.8% | 36 / 50 | Roosevelt County10.4% | Petroleum County0.0% |
| Mean Commute Time2024minutes | 19.2 | 44 / 50 | Golden Valley County31 | Custer County13 |
| Work from Home2024 | 14.1% | 9 / 50 | Garfield County43.7% | Roosevelt County3.9% |
All counties
| County | Population 2025 | Area | Median income |
|---|---|---|---|
| Beaverhead County | 10,043 | 14,355 km² | $61,268 |
| Big Horn County | 12,752 | 12,944 km² | $58,750 |
| Blaine County | 6,860 | 10,949 km² | $64,813 |
| Broadwater County | 8,493 | 3,088 km² | $70,374 |
| Carbon County | 11,466 | 5,304 km² | $80,261 |
| Carter County | 1,383 | 8,652 km² | $54,167 |
| Cascade County | 85,029 | 6,988 km² | $67,690 |
| Chouteau County | 5,865 | 10,289 km² | $58,218 |
| Custer County | 12,034 | 9,799 km² | $70,605 |
| Daniels County | 1,612 | 3,694 km² | $55,625 |
| Dawson County | 8,692 | 6,143 km² | $71,334 |
| Deer Lodge County | 9,709 | 1,908 km² | $57,527 |
| Fallon County | 2,959 | 4,197 km² | $76,250 |
| Fergus County | 11,825 | 11,239 km² | $63,706 |
| Flathead County | 115,429 | 13,176 km² | $73,925 |
| Gallatin County | 128,740 | 6,748 km² | $93,528 |
| Garfield County | 1,148 | 12,112 km² | $69,583 |
| Glacier County | 13,463 | 7,757 km² | $46,875 |
| Golden Valley County | 844 | 3,042 km² | $58,333 |
| Granite County | 3,658 | 4,473 km² | $59,265 |
| Hill County | 16,167 | 7,509 km² | $52,798 |
| Jefferson County | 13,329 | 4,292 km² | $95,490 |
| Judith Basin County | 2,162 | 4,842 km² | $59,000 |
| Lake County | 33,392 | 3,860 km² | $63,360 |
| Lewis and Clark County | 75,331 | 8,957 km² | $78,237 |
| Liberty County | 1,957 | 3,704 km² | $57,857 |
| Lincoln County | 22,328 | 9,356 km² | $47,143 |
| Madison County | 10,026 | 9,293 km² | $75,250 |
| McCone County | 1,720 | 6,843 km² | $69,375 |
| Meagher County | 2,137 | 6,195 km² | $71,932 |
| Mineral County | 5,185 | 3,159 km² | $63,450 |
| Missoula County | 123,513 | 6,716 km² | $75,598 |
| Musselshell County | 5,582 | 4,841 km² | $58,920 |
| Park County | 18,214 | 7,258 km² | $70,047 |
| Petroleum County | 548 | 4,288 km² | $60,208 |
| Phillips County | 4,203 | 13,314 km² | $53,417 |
| Pondera County | 6,072 | 4,208 km² | $52,338 |
| Powder River County | 1,781 | 8,542 km² | $67,045 |
| Powell County | 7,157 | 6,024 km² | $66,923 |
| Prairie County | 1,112 | 4,498 km² | $51,250 |
| Ravalli County | 48,582 | 6,193 km² | $71,283 |
| Richland County | 11,377 | 5,399 km² | $73,084 |
| Roosevelt County | 10,242 | 6,098 km² | $57,063 |
| Rosebud County | 8,253 | 12,971 km² | $49,914 |
| Sanders County | 14,062 | 7,149 km² | $57,476 |
| Sheridan County | 3,436 | 4,343 km² | $70,147 |
| Silver Bow County | 36,118 | 1,860 km² | $61,754 |
| Stillwater County | 9,445 | 4,653 km² | $84,732 |
| Sweet Grass County | 3,762 | 4,806 km² | $77,000 |
| Teton County | 6,496 | 5,883 km² | $70,430 |
| Toole County | 5,211 | 4,959 km² | $57,731 |
| Treasure County | 728 | 2,532 km² | $67,917 |
| Valley County | 7,385 | 12,759 km² | $71,695 |
| Wheatland County | 2,100 | 3,684 km² | $49,489 |
| Wibaux County | 885 | 2,304 km² | $67,462 |
| Yellowstone County | 172,692 | 6,820 km² | $76,570 |
Compare Montana's counties on a map, add layers and run a scatter — open the atlas, or browse all 3,144 US counties or all states.