Map of Montana
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How many counties are in Montana?
Montana has 56 counties. The list below includes each county, its FIPS code, and population.
Montana county table
County list for Montana with county FIPS codes and population totals.
| County | State | County FIPS | Population |
|---|---|---|---|
| Yellowstone County | MT | 30111 | 170,843 |
| Gallatin County | MT | 30031 | 126,409 |
| Missoula County | MT | 30063 | 121,849 |
| Flathead County | MT | 30029 | 113,679 |
| Cascade County | MT | 30013 | 84,900 |
| Lewis and Clark County | MT | 30049 | 75,011 |
| Ravalli County | MT | 30081 | 47,738 |
| Silver Bow County | MT | 30093 | 36,360 |
| Lake County | MT | 30047 | 33,338 |
| Lincoln County | MT | 30053 | 21,895 |
| Park County | MT | 30067 | 17,903 |
| Hill County | MT | 30041 | 16,276 |
| Sanders County | MT | 30089 | 13,684 |
| Glacier County | MT | 30035 | 13,609 |
| Jefferson County | MT | 30043 | 13,048 |
| Big Horn County | MT | 30003 | 12,751 |
| Custer County | MT | 30017 | 11,985 |
| Fergus County | MT | 30027 | 11,772 |
| Carbon County | MT | 30009 | 11,419 |
| Richland County | MT | 30083 | 11,173 |
| Roosevelt County | MT | 30085 | 10,319 |
| Beaverhead County | MT | 30001 | 9,885 |
| Deer Lodge County | MT | 30023 | 9,673 |
| Madison County | MT | 30057 | 9,521 |
| Stillwater County | MT | 30095 | 9,173 |
| Dawson County | MT | 30021 | 8,810 |
| Rosebud County | MT | 30087 | 8,160 |
| Broadwater County | MT | 30007 | 8,032 |
| Valley County | MT | 30105 | 7,474 |
| Powell County | MT | 30077 | 7,133 |
| Blaine County | MT | 30005 | 6,899 |
| Teton County | MT | 30099 | 6,430 |
| Pondera County | MT | 30073 | 6,125 |
| Chouteau County | MT | 30015 | 5,847 |
| Musselshell County | MT | 30065 | 5,308 |
| Toole County | MT | 30101 | 5,133 |
| Mineral County | MT | 30061 | 5,090 |
| Phillips County | MT | 30071 | 4,249 |
| Sweet Grass County | MT | 30097 | 3,763 |
| Granite County | MT | 30039 | 3,595 |
| Sheridan County | MT | 30091 | 3,498 |
| Fallon County | MT | 30025 | 2,994 |
| Judith Basin County | MT | 30045 | 2,093 |
| Meagher County | MT | 30059 | 2,071 |
| Wheatland County | MT | 30107 | 2,057 |
| Liberty County | MT | 30051 | 1,974 |
| Powder River County | MT | 30075 | 1,743 |
| McCone County | MT | 30055 | 1,676 |
| Daniels County | MT | 30019 | 1,633 |
| Carter County | MT | 30011 | 1,418 |
| Garfield County | MT | 30033 | 1,211 |
| Prairie County | MT | 30079 | 1,112 |
| Wibaux County | MT | 30109 | 910 |
| Golden Valley County | MT | 30037 | 835 |
| Treasure County | MT | 30103 | 772 |
| Petroleum County | MT | 30069 | 554 |