This list contains information about 56 counties of Montana, including details such as their area, FIPS code, population, date of establishment. It is available in various format such as MS Excel, CSV, PDF and zip (which contains all of them).
S.No.,County,FIPS code ,County seat ,Area,Population ,Date of establishment,Origin1,Beaverhead County,001,Dillon,"5,543sqmi(14,356km)","9,524","February2, 1865",Original County2,Big Horn County,003,Hardin,"4,995sqmi(12,937km)","12,957","January13, 1913","Rosebud County, Yellowstone County"3,Blaine County,005,Chinook,"4,226sqmi(10,945km)","6,980","February29, 1912",Chouteau County4,Broadwater County,007,Townsend,"1,192sqmi(3,087km)","7,288","February9, 1897","Jefferson County, Meagher County"5,Carbon County,009,Red Lodge,"2,048sqmi(5,304km)","10,847","March4, 1895","Park County, Yellowstone County"6,Carter County,011,Ekalaka,"3,340sqmi(8,651km)","1,428","February22, 1917",Fallon County7,Cascade County,013,Great Falls,"2,698sqmi(6,988km)","84,511","September12, 1887","Chouteau County, Meagher County"8,Chouteau County,015,Fort Benton,"3,973sqmi(10,290km)","5,916","February2, 1865",Original County9,Custer County,017,Miles City,"3,783sqmi(9,798km)","11,916","February2, 1865",Original County10,Daniels County,019,Scobey,"1,426sqmi(3,693km)","1,686","August30, 1920","Sheridan County, Valley County"11,Dawson County,021,Glendive,"2,373sqmi(6,146km)","8,904","January15, 1869",Unorganized lands12,Deer Lodge County,023,Anaconda,"737sqmi(1,909km)","9,491","February2, 1865",Original County13,Fallon County,025,Baker,"1,620sqmi(4,196km)","3,017","December9, 1913",Custer County14,Fergus County,027,Lewistown,"4,339sqmi(11,238km)","11,617","March12, 1885","Chouteau County, Meagher County"15,Flathead County,029,Kalispell,"5,099sqmi(13,206km)","108,454","February6, 1893",Missoula County16,Gallatin County,031,Bozeman,"2,507sqmi(6,493km)","122,713","February2, 1865",Original County17,Garfield County,033,Jordan,"4,668sqmi(12,090km)","1,209","February7, 1919",Dawson County18,Glacier County,035,Cut Bank,"2,995sqmi(7,757km)","13,785","February17, 1919",Teton County19,Golden Valley County,037,Ryegate,"1,175sqmi(3,043km)",831,"October4, 1920","Musselshell County, Sweet Grass County"20,Granite County,039,Philipsburg,"1,728sqmi(4,475km)","3,344","March2, 1893","Deer Lodge County, Missoula County"21,Hill County,041,Havre,"2,896sqmi(7,501km)","16,179","February22, 1912",Chouteau County22,Jefferson County,043,Boulder,"1,657sqmi(4,292km)","12,470","February2, 1865",Original County23,Judith Basin County,045,Stanford,"1,870sqmi(4,843km)","2,044","December10, 1920","Cascade County, Fergus County"24,Lake County,047,Polson,"1,494sqmi(3,869km)","32,033","May11, 1923","Flathead County, Missoula County"25,Lewis and Clark County,049,Helena,"3,461sqmi(8,964km)","72,223","February2, 1865",Original County26,Liberty County,051,Chester,"1,430sqmi(3,704km)","1,946","February11, 1920","Chouteau County, Hill County"27,Lincoln County,053,Libby,"3,613sqmi(9,358km)","20,525","March9, 1909",Flathead County28,Madison County,057,Virginia City,"3,587sqmi(9,290km)","8,917","February2, 1865",Original County29,McCone County,055,Circle,"2,643sqmi(6,845km)","1,718","February20, 1919","Dawson County, Richland County"30,Meagher County,059,White Sulphur Springs,"2,392sqmi(6,195km)","1,964","November16, 1867","Chouteau County, Gallatin County"31,Mineral County,061,Superior,"1,220sqmi(3,160km)","4,860","August7, 1914",Missoula County32,Missoula County,063,Missoula,"2,598sqmi(6,729km)","119,533","February2, 1865",Original County33,Musselshell County,065,Roundup,"1,867sqmi(4,836km)","4,896","February11, 1911","Fergus County, Meagher County, Yellowstone County"34,Park County,067,Livingston,"2,656sqmi(6,879km)","17,473","February23, 1887",Gallatin County35,Petroleum County,069,Winnett,"1,654sqmi(4,284km)",519,"November24, 1924",Fergus County36,Phillips County,071,Malta,"5,140sqmi(13,313km)","4,192","February5, 1915","Blaine County, Valley County"37,Pondera County,073,Conrad,"1,625sqmi(4,209km)","5,994","February17, 1919","Chouteau County, Teton County"38,Powder River County,075,Broadus,"3,297sqmi(8,539km)","1,702","March7, 1919",Custer County39,Powell County,077,Deer Lodge,"2,326sqmi(6,024km)","6,999","January31, 1901",Deer Lodge County40,Prairie County,079,Terry,"1,737sqmi(4,499km)","1,091","February5, 1915","Dawson County, Fallon County"41,Ravalli County,081,Hamilton,"2,394sqmi(6,200km)","45,959","February16, 1893",Missoula County42,Richland County,083,Sidney,"2,084sqmi(5,398km)","11,283","May27, 1914",Dawson County43,Roosevelt County,085,Wolf Point,"2,356sqmi(6,102km)","10,821","February18, 1919",Sheridan County44,Rosebud County,087,Forsyth,"5,012sqmi(12,981km)","8,124","February11, 1901",Custer County45,Sanders County,089,Thompson Falls,"2,762sqmi(7,154km)","12,959","February7, 1905",Missoula County46,Sheridan County,091,Plentywood,"1,677sqmi(4,343km)","3,527","March24, 1913",Valley County47,Silver Bow County,093,Butte,"718sqmi(1,860km)","35,411","February16, 1881",Deer Lodge County48,Stillwater County,095,Columbus,"1,795sqmi(4,649km)","9,044","March24, 1913","Carbon County, Sweet Grass County, Yellowstone County"49,Sweet Grass County,097,Big Timber,"1,855sqmi(4,804km)","3,723","March5, 1895","Meagher County, Park County, Yellowstone County"50,Teton County,099,Choteau,"2,273sqmi(5,887km)","6,269","February7, 1893",Chouteau County51,Toole County,101,Shelby,"1,911sqmi(4,949km)","5,011","May7, 1914","Hill County, Teton County"52,Treasure County,103,Hysham,"979sqmi(2,536km)",768,"February7, 1919",Rosebud County53,Valley County,105,Glasgow,"4,921sqmi(12,745km)","7,537","February6, 1893",Dawson County54,Wheatland County,107,Harlowton,"1,423sqmi(3,686km)","2,059","February22, 1917","Meagher County, Sweet Grass County"55,Wibaux County,109,Wibaux,"889sqmi(2,302km)",934,"August17, 1914","Dawson County, Fallon County, Richland County"56,Yellowstone County,111,Billings,"2,635sqmi(6,825km)","167,146","February26, 1883",Custer County,,,,,,,https://www.downloadexcelfiles.com/,,,,,,,