Montana Demographics
Montana is the 45th most populous of 52 states in the United States, with 1,084,225 residents across 145,550 square miles. That is about 7 people per square mile. 53% of residents live in urban areas.
At the 2020 census
| Population | 1,084,225 |
|---|---|
| Land area | 145,550 sq mi |
| Density | 7 / sq mi |
| Urban share | 53% |
Data: 2020 Census · American Community Survey 2024
How Montana compares to the US
We're computing this state's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Montana
Measured from the state's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Montana — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Counties in Montana
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Yellowstone County | 164,731 | 2,633.3 | 63 |
| Gallatin County | 118,960 | 2,605.4 | 46 |
| Missoula County | 117,922 | 2,593.0 | 45 |
| Flathead County | 104,357 | 5,087.2 | 21 |
| Cascade County | 84,414 | 2,698.2 | 31 |
| Lewis and Clark County | 70,973 | 3,458.4 | 21 |
| Ravalli County | 44,174 | 2,391.0 | 18 |
| Silver Bow County | 35,133 | 718.0 | 49 |
| Lake County | 31,134 | 1,490.5 | 21 |
| Lincoln County | 19,677 | 3,612.6 | 5 |
| Park County | 17,191 | 2,802.5 | 6 |
| Hill County | 16,309 | 2,899.4 | 6 |
| Glacier County | 13,778 | 2,995.2 | 5 |
| Big Horn County | 13,124 | 4,997.8 | 3 |
| Sanders County | 12,400 | 2,760.4 | 4 |
| Jefferson County | 12,085 | 1,657.0 | 7 |
| Custer County | 11,867 | 3,783.3 | 3 |
| Richland County | 11,491 | 2,084.6 | 6 |
| Fergus County | 11,446 | 4,339.3 | 3 |
| Roosevelt County | 10,794 | 2,354.6 | 5 |
| Carbon County | 10,473 | 2,047.8 | 5 |
| Deer Lodge County | 9,421 | 736.7 | 13 |
| Beaverhead County | 9,371 | 5,542.7 | 2 |
| Stillwater County | 8,963 | 1,796.7 | 5 |
| Dawson County | 8,940 | 2,371.9 | 4 |
| Madison County | 8,623 | 3,588.2 | 2 |
| Rosebud County | 8,329 | 5,008.1 | 2 |
| Valley County | 7,578 | 4,926.1 | 2 |
| Blaine County | 7,044 | 4,227.5 | 2 |
| Powell County | 6,946 | 2,326.0 | 3 |
| Broadwater County | 6,774 | 1,192.4 | 6 |
| Teton County | 6,226 | 2,271.6 | 3 |
| Pondera County | 5,898 | 1,624.6 | 4 |
| Chouteau County | 5,895 | 3,972.5 | 1 |
| Toole County | 4,971 | 1,914.9 | 3 |
| Musselshell County | 4,730 | 1,869.0 | 3 |
| Mineral County | 4,535 | 1,219.6 | 4 |
| Phillips County | 4,217 | 5,140.4 | 1 |
| Sweet Grass County | 3,678 | 1,855.5 | 2 |
| Sheridan County | 3,539 | 1,676.9 | 2 |
| Granite County | 3,309 | 1,727.2 | 2 |
| Fallon County | 3,049 | 1,620.6 | 2 |
| Wheatland County | 2,069 | 1,422.5 | 1 |
| Judith Basin County | 2,023 | 1,869.7 | 1 |
| Liberty County | 1,959 | 1,430.0 | 1 |
| Meagher County | 1,927 | 2,391.9 | 1 |
| McCone County | 1,729 | 2,642.2 | 1 |
| Powder River County | 1,694 | 3,298.2 | 1 |
| Daniels County | 1,661 | 1,426.3 | 1 |
| Carter County | 1,415 | 3,340.5 | 0 |
| Garfield County | 1,173 | 4,676.6 | 0 |
| Prairie County | 1,088 | 1,736.6 | 1 |
| Wibaux County | 937 | 889.6 | 1 |
| Golden Valley County | 823 | 1,174.4 | 1 |
| Treasure County | 762 | 977.8 | 1 |
| Petroleum County | 496 | 1,655.6 | 0 |
Largest cities in Montana
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Billings, MT | 116,997 | 45.3 | 2,583 |
| Missoula, MT | 73,764 | 34.8 | 2,122 |
| Great Falls, MT | 60,446 | 23.1 | 2,615 |
| Bozeman, MT | 53,293 | 20.9 | 2,554 |
| Butte-Silver Bow (balance), MT | 34,503 | 715.8 | 48 |
| Helena, MT | 32,059 | 16.9 | 1,902 |
| Kalispell, MT | 24,454 | 12.6 | 1,948 |
| Belgrade, MT | 10,460 | 4.3 | 2,425 |
| Anaconda-Deer Lodge County, MT | 9,421 | 736.7 | 13 |
| Havre, MT | 9,344 | 3.7 | 2,519 |
| Helena Valley Southeast, MT | 9,168 | 21.5 | 427 |
| Helena Valley West Central, MT | 8,670 | 26.4 | 328 |
Showing the 12 most populous of 497 — the rest are shown on the map.
Related places
Nearest states
About this page
This page shows demographics for a US state from the 2020 census and the American Community Survey: population, land area, density, and how the state compares to national averages for income, housing, age, and more.
Use the links below to drill into the state's counties and largest cities, or open any point of the state in the radius tool to measure the population within a distance or drive time.