Montana (MT) on the US Map

Map of Montana Counties
Below is a map of the 56 counties of Montana (you can click on the map to enlarge it and to see the major city in each state).

Interactive Map of Montana Counties
Click on any of the counties on the map to see the county’s population, economic data, time zone, and zip code (the data will appear below the map). Data is sourced from the US Census 2021.
List of the Counties of Montana:
County | Population | Per sq. km | Largest City |
---|---|---|---|
Beaverhead County | 9,391 | 0.65 | Dillon |
Big Horn County | 13,198 | 1.02 | Hardin |
Blaine County | 7,051 | 0.64 | Fort Belknap Agency |
Broadwater County | 6,641 | 2.15 | Townsend |
Carbon County | 10,488 | 1.98 | Red Lodge |
Carter County | 1,349 | 0.16 | Ekalaka |
Cascade County | 84,178 | 12.05 | Great Falls |
Chouteau County | 5,896 | 0.57 | Fort Benton |
Custer County | 11,968 | 1.22 | Miles City |
Daniels County | 1,739 | 0.47 | Scobey |
Dawson County | 9,003 | 1.47 | Glendive |
Deer Lodge County | 9,380 | 4.92 | Anaconda |
Fallon County | 3,074 | 0.73 | Baker |
Fergus County | 11,464 | 1.02 | Lewistown |
Flathead County | 103,400 | 7.85 | Kalispell |
Gallatin County | 116,725 | 17.3 | Bozeman |
Garfield County | 972 | 0.08 | Jordan |
Glacier County | 13,827 | 1.78 | North Browning |
Golden Valley County | 820 | 0.27 | Ryegate |
Granite County | 3,333 | 0.75 | Philipsburg |
Hill County | 16,297 | 2.17 | Havre |
Jefferson County | 12,057 | 2.81 | Montana City |
Judith Basin County | 2,004 | 0.41 | Stanford |
Lake County | 31,030 | 8.04 | Polson |
Lewis and Clark County | 70,340 | 7.85 | Helena |
Liberty County | 2,026 | 0.55 | Chester |
Lincoln County | 19,674 | 2.1 | Libby |
Madison County | 8,499 | 0.91 | Big Sky |
McCone County | 1,805 | 0.26 | Circle |
Meagher County | 1,932 | 0.31 | White Sulphur Springs |
Mineral County | 4,490 | 1.42 | Superior |
Missoula County | 117,379 | 17.48 | Missoula |
Musselshell County | 4,813 | 0.99 | Roundup |
Park County | 17,072 | 2.35 | Livingston |
Petroleum County | 434 | 0.1 | Winnett |
Phillips County | 4,233 | 0.32 | Malta |
Pondera County | 5,974 | 1.42 | Conrad |
Powder River County | 1,759 | 0.21 | Broadus |
Powell County | 6,955 | 1.15 | Deer Lodge |
Prairie County | 1,227 | 0.27 | Terry |
Ravalli County | 43,790 | 7.07 | Hamilton |
Richland County | 11,375 | 2.11 | Sidney |
Roosevelt County | 10,884 | 1.78 | Wolf Point |
Rosebud County | 8,464 | 0.65 | Lame Deer |
Sanders County | 12,298 | 1.72 | Thompson Falls |
Sheridan County | 3,522 | 0.81 | Plentywood |
Silver Bow County | 35,017 | 18.83 | Butte |
Stillwater County | 8,916 | 1.92 | Columbus |
Sweet Grass County | 3,690 | 0.77 | Big Timber |
Teton County | 6,173 | 1.05 | Choteau |
Toole County | 5,013 | 1.01 | Shelby |
Treasure County | 693 | 0.27 | Hysham |
Valley County | 7,553 | 0.59 | Glasgow |
Wheatland County | 2,082 | 0.57 | Harlowton |
Wibaux County | 1,018 | 0.44 | Wibaux |
Yellowstone County | 163,593 | 23.98 | Billings |