Population
|
County
|
167,146
|
Yellowstone
|
122,713
|
Gallatin
|
119,533
|
Missoula
|
108,454
|
Flathead
|
84,511
|
Cascade
|
72,223
|
Lewis and Clark
|
45,959
|
Ravalli
|
35,411
|
Silver Bow
|
32,033
|
Lake
|
20,525
|
Lincoln
|
17,473
|
Park
|
16,179
|
Hill
|
13,785
|
Glacier
|
12,959
|
Sanders
|
12,957
|
Big Horn
|
12,470
|
Jefferson
|
11,916
|
Custer
|
11,617
|
Fergus
|
11,283
|
Richland
|
|
Population
|
County
|
10,847
|
Carbon
|
10,821
|
Roosevelt
|
9,524
|
Beaverhead
|
9,491
|
Deer Lodge
|
9,044
|
Stillwater
|
8,917
|
Madison
|
8,904
|
Dawson
|
8,124
|
Rosebud
|
7,537
|
Valley
|
7,288
|
Broadwater
|
6,999
|
Powell
|
6,980
|
Blaine
|
6,269
|
Teton
|
5,994
|
Pondera
|
5,916
|
Chouteau
|
5,011
|
Toole
|
4,896
|
Musselshell
|
4,860
|
Mineral
|
4,192
|
Phillips
|
|
Population
|
County
|
3,723
|
Sweet Grass
|
3,527
|
Sheridan
|
3,344
|
Granite
|
3,017
|
Fallon
|
2,059
|
Wheatland
|
2,044
|
Judith Basin
|
1,964
|
Meagher
|
1,946
|
Liberty
|
1,718
|
McCone
|
1,702
|
Powder River
|
1,686
|
Daniels
|
1,428
|
Carter
|
1,209
|
Garfield
|
1,091
|
Prairie
|
934
|
Wibaux
|
831
|
Golden Valley
|
768
|
Treasure
|
519
|
Petroleum
|
|