Montana

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Montana Association of Counties
2715 Skyway Dr
Helena, MT 59602-1213
Phone: (406)449-4360
Fax: (406)442-5238
http://www.mtcounties.org

County NACo
Member
2010
Population
Square
Miles
County Seat Board
Size
Founded
Beaverhead 9,246 5,542 Dillon   1864 
Big Horn 12,865 4,995 Hardin   1913 
Blaine 6,491 4,228 Chinook   1895 
Broadwater 5,612 1,193 Townsend   1897 
Carbon 10,078 2,049 Red Lodge   1895 
Carter 1,160 3,341 Ekalaka   1917 
Cascade 81,327 2,698 Great Falls   1887 
Chouteau 5,813 3,972 Fort Benton   1865 
Custer 11,699 3,783 Miles City   1865 
Daniels 1,751 1,426 Scobey   1920 
Dawson 8,966 2,372 Glendive   1865 
Deer Lodge* 9,298 737 Anaconda  1864 
Fallon 2,890 1,621 Baker   1913 
Fergus 11,586 4,340 Lewistown   1885 
Flathead 90,928 5,088 Kalispell   1893 
Gallatin 89,513 2,603 Bozeman   1864 
Garfield 1,206 4,675 Jordan   1919 
Glacier 13,399 2,996 Cut Bank   1919 
Golden Valley 884 1,175 Ryegate   1920 
Granite 3,079 1,727 Philipsburg   1893 
Hill 16,096 2,899 Havre   1912 
Jefferson 11,406 1,656 Boulder   1864 
Judith Basin 2,072 1,870 Stanford   1920 
Lake 28,746 1,490 Polson   1923 
Lewis And Clark 63,395 3,459 Helena   1864 
Liberty 2,339 1,430 Chester   1920 
Lincoln 19,687 3,613 Libby   1909 
Madison 7,691 3,587 Virginia City   1864 
McCone 1,734 2,643 Circle   1919 
Meagher 1,891 2,392 White Sulphur Springs   1867 
Mineral 4,223 1,219 Superior   1914 
Missoula 109,299 2,593 Missoula   1864 
Musselshell 4,538 1,868 Roundup   1911 
Park 15,636 2,803 Livingston   1887 
Petroleum 494 1,655 Winnett   1926 
Phillips 4,253 5,140 Malta   1915 
Pondera 6,153 1,623 Conrad   1919 
Powder River 1,743 3,297 Broadus   1919 
Powell 7,027 2,326 Deer Lodge   1901 
Prairie 1,179 1,737 Terry   1915 
Ravalli 40,212 2,391 Hamilton   1893 
Richland 9,746 2,084 Sidney   1914 
Roosevelt 10,425 2,355 Wolf Point   1919 
Rosebud 9,233 5,010 Forsyth   1901 
Sanders 11,413 2,761 Thompson Falls   1906 
Sheridan 3,384 1,677 Plentywood   1913 
Silver Bow* 34,200 718 Butte   12  1881 
Stillwater 9,117 1,795 Columbus   1913 
Sweet Grass 3,651 1,855 Big Timber   1895 
Teton 6,073 2,272 Choteau   1893 
Toole 5,324 1,916 Shelby   1914 
Treasure 718 977 Hysham   1919 
Valley 7,369 4,926 Glasgow   1893 
Wheatland 2,168 1,423 Harlowton   1917 
Wibaux 1,017 889 Wibaux   1914 
Yellowstone 147,972 2,633 Billings   1893 

  * Consolidated City-County Government