Montana County Map

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About the map

Montana Map Extent

This Montana county map displays its 56 counties. Because the Missouri River cuts through Montana from east to west, it helps delineate several county boundaries.

The county with the highest population in Montana is Yellowstone County. Despite the name, it’s not actually home of Yellowstone National Park. That would be Gallatin County and Park County.

The least populated county is Petroleum County with just over 400 residents. If you compare its population to all counties in the United States, it has the seventh-fewest people. For size, Beaverhead County has the largest area occupying 5573.4 square miles. But the smallest county is Silver Bow County, just northeast of Beaverhead County. The area for Silver Bow County is just 718.9 square miles.

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Montana map collection

Montana county map

County Name Population (2020 est) County Map Area (sq mi) Locator Map FIPS Code
Beaverhead County 9,483
Beaverhead County Map Montana
Beaverhead County
5573.5
Beaverhead County Map Montana Locator
Beaverhead County Map
30001
Big Horn County 13,063
Big Horn County Map Montana
Big Horn County
5014.6
Big Horn County Map Montana Locator
Big Horn County Map
30003
Blaine County 6,568
Blaine County Map Montana
Blaine County
4239.1
Blaine County Map Montana Locator
Blaine County Map
30005
Broadwater County 6,444
Broadwater County Map Montana
Broadwater County
1238.8
Broadwater County Map Montana Locator
Broadwater County Map
30007
Carbon County 10,921
Carbon County Map Montana
Carbon County
2062.2
Carbon County Map Montana Locator
Carbon County Map
30009
Carter County 1,235
Carter County Map Montana
Carter County
3348.3
Carter County Map Montana Locator
Carter County Map
30011
Cascade County 81,346
Cascade County Map Montana
Cascade County
2711.6
Cascade County Map Montana Locator
Cascade County Map
30013
Chouteau County 5,699
Chouteau County Map Montana
Chouteau County
3998
Chouteau County Map Montana Locator
Chouteau County Map
30015
Custer County 11,292
Custer County Map Montana
Custer County
3793.4
Custer County Map Montana Locator
Custer County Map
30017
Daniels County 1,638
Daniels County Map Montana
Daniels County
1426.6
Daniels County Map Montana Locator
Daniels County Map
30019
Dawson County 8,555
Dawson County Map Montana
Dawson County
2383
Dawson County Map Montana Locator
Dawson County Map
30021
Deer Lodge County 9,204
Deer Lodge County Map Montana
Deer Lodge County
741.1
Deer Lodge County Map Montana Locator
Deer Lodge County Map
30023
Fallon County 2,826
Fallon County Map Montana
Fallon County
1622.9
Fallon County Map Montana Locator
Fallon County Map
30025
Fergus County 11,104
Fergus County Map Montana
Fergus County
4349.1
Fergus County Map Montana Locator
Fergus County Map
30027
Flathead County 105,851
Flathead County Map Montana
Flathead County
5256.4
Flathead County Map Montana Locator
Flathead County Map
30029
Gallatin County 116,806
Gallatin County Map Montana
Gallatin County
2632.3
Gallatin County Map Montana Locator
Gallatin County Map
30031
Garfield County 1,268
Garfield County Map Montana
Garfield County
4850.9
Garfield County Map Montana Locator
Garfield County Map
30033
Glacier County 13,594
Glacier County Map Montana
Glacier County
3036.1
Glacier County Map Montana Locator
Glacier County Map
30035
Golden Valley County 827
Golden Valley County Map Montana
Golden Valley County
1176.4
Golden Valley County Map Montana Locator
Golden Valley County Map
30037
Granite County 3,317
Granite County Map Montana
Granite County
1733
Granite County Map Montana Locator
Granite County Map
30039
Hill County 16,358
Hill County Map Montana
Hill County
2916.1
Hill County Map Montana Locator
Hill County Map
30041
Jefferson County 12,360
Jefferson County Map Montana
Jefferson County
1659.7
Jefferson County Map Montana Locator
Jefferson County Map
30043
Judith Basin County 1,994
Judith Basin County Map Montana
Judith Basin County
1870.7
Judith Basin County Map Montana Locator
Judith Basin County Map
30045
Lake County 30,986
Lake County Map Montana
Lake County
1653.7
Lake County Map Montana Locator
Lake County Map
30047
Lewis and Clark County 70,229
Lewis and Clark County Map Montana
Lewis and Clark County
3497.7
Lewis and Clark County Map Montana Locator
Lewis and Clark County Map
30049
Liberty County 2,369
Liberty County Map Montana
Liberty County
1447.3
Liberty County Map Montana Locator
Liberty County Map
30051
Lincoln County 20,343
Lincoln County Map Montana
Lincoln County
3675
Lincoln County Map Montana Locator
Lincoln County Map
30053
Madison County 8,959
Madison County Map Montana
Madison County
3601.9
Madison County Map Montana Locator
Madison County Map
30057
McCone County 1,648
McCone County Map Montana
McCone County
2682.7
McCone County Map Montana Locator
McCone County Map
30055
Meagher County 1,831
Meagher County Map Montana
Meagher County
2394.8
Meagher County Map Montana Locator
Meagher County Map
30059
Mineral County 4,544
Mineral County Map Montana
Mineral County
1224.8
Mineral County Map Montana Locator
Mineral County Map
30061
Missoula County 121,630
Missoula County Map Montana
Missoula County
2618.2
Missoula County Map Montana Locator
Missoula County Map
30063
Musselshell County 4,669
Musselshell County Map Montana
Musselshell County
1870
Musselshell County Map Montana Locator
Musselshell County Map
30065
Park County 16,760
Park County Map Montana
Park County
2813.5
Park County Map Montana Locator
Park County Map
30067
Petroleum County 500
Petroleum County Map Montana
Petroleum County
1669.4
Petroleum County Map Montana Locator
Petroleum County Map
30069
Phillips County 3,919
Phillips County Map Montana
Phillips County
5212
Phillips County Map Montana Locator
Phillips County Map
30071
Pondera County 5,782
Pondera County Map Montana
Pondera County
1639.8
Pondera County Map Montana Locator
Pondera County Map
30073
Powder River County 1,681
Powder River County Map Montana
Powder River County
3297.6
Powder River County Map Montana Locator
Powder River County Map
30075
Powell County 6,817
Powell County Map Montana
Powell County
2332.8
Powell County Map Montana Locator
Powell County Map
30077
Prairie County 1,067
Prairie County Map Montana
Prairie County
1742.5
Prairie County Map Montana Locator
Prairie County Map
30079
Ravalli County 45,002
Ravalli County Map Montana
Ravalli County
2403.1
Ravalli County Map Montana Locator
Ravalli County Map
30081
Richland County 11,043
Richland County Map Montana
Richland County
2103
Richland County Map Montana Locator
Richland County Map
30083
Roosevelt County 10,964
Roosevelt County Map Montana
Roosevelt County
2369.6
Roosevelt County Map Montana Locator
Roosevelt County Map
30085
Rosebud County 8,836
Rosebud County Map Montana
Rosebud County
5028.6
Rosebud County Map Montana Locator
Rosebud County Map
30087
Sanders County 12,157
Sanders County Map Montana
Sanders County
2791.6
Sanders County Map Montana Locator
Sanders County Map
30089
Sheridan County 3,261
Sheridan County Map Montana
Sheridan County
1706.1
Sheridan County Map Montana Locator
Sheridan County Map
30091
Silver Bow County 35,180
Silver Bow County Map Montana
Silver Bow County
719
Silver Bow County Map Montana Locator
Silver Bow County Map
30093
Stillwater County 9,888
Stillwater County Map Montana
Stillwater County
1804.8
Stillwater County Map Montana Locator
Stillwater County Map
30095
Sweet Grass County 3,684
Sweet Grass County Map Montana
Sweet Grass County
1862
Sweet Grass County Map Montana Locator
Sweet Grass County Map
30097
Teton County 6,249
Teton County Map Montana
Teton County
2292.4
Teton County Map Montana Locator
Teton County Map
30099
Toole County 4,686
Toole County Map Montana
Toole County
1945.4
Toole County Map Montana Locator
Toole County Map
30101
Treasure County 695
Treasure County Map Montana
Treasure County
984.1
Treasure County Map Montana Locator
Treasure County Map
30103
Valley County 7,359
Valley County Map Montana
Valley County
5062
Valley County Map Montana Locator
Valley County Map
30105
Wheatland County 2,157
Wheatland County Map Montana
Wheatland County
1428.2
Wheatland County Map Montana Locator
Wheatland County Map
30107
Wibaux County 939
Wibaux County Map Montana
Wibaux County
890.1
Wibaux County Map Montana Locator
Wibaux County Map
30109
Yellowstone County 162,990
Yellowstone County Map Montana
Yellowstone County
2648.9
Yellowstone County Map Montana Locator
Yellowstone County Map
30111

References

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