Montana County Map

List of Counties in Montana

CountyFIPS CodeCounty SeatEstablished inPopulationArea (sq mi)Area (km2)
Beaverhead County1DillonFebruary 2, 18659,3455,54314,356
Big Horn County3HardinJanuary 13,191313,2824,99512,937
Blaine County5ChinookFebruary 29, 19126,6194,22610,945
Broadwater County7TownsendFebruary 9, 18975,6671,1923,087
Carbon County9Red LodgeMarch 4, 189510,3992,0485,304
Carter County11EkalakaFebruary 22, 19171,1693,3408,651
Cascade County13Great FallsSeptember 12, 188781,3662,6986,988
Chouteau County15Fort BentonFebruary 2, 18655,8943,97310,290
Custer County17Miles CityFebruary 2, 186512,0923,7839,798
Daniels County19ScobeyAugust 30, 19201,7931,4263,693
Dawson County21GlendiveJanuary 15, 18699,5182,3736,146
Deer Lodge County23AnacondaFebruary 2, 18659,1507371,909
Fallon County25BakerDecember 9, 19133,1081,6204,196
Fergus County27LewistownMarch 12, 188511,4424,33911,238
Flathead County29KalispellFebruary 6, 1893103,8065,09913,206
Gallatin County31BozemanFebruary 2, 1865114,4342,5076,493
Garfield County33JordanFebruary 7, 19191,3094,66812,090
Glacier County35Cut BankFebruary 17, 191913,6962,9957,757
Golden Valley County37RyegateOctober 4, 19208521,1753,043
Granite County39PhilipsburgMarch 2, 18933,2091,7284,475
Hill County41HavreFebruary 22, 191216,5962,8967,501
Jefferson County43BoulderFebruary 2, 186511,5581,6574,292
Judith Basin County45StanfordDecember 10, 19201,9911,8704,843
Lake County47PolsonMay 11, 192329,0991,4943,869
Lewis and Clark County49HelenaFebruary 2, 186569,4323,4618,964
Liberty County51ChesterFebruary 11, 19202,3591,4303,704
Lincoln County53LibbyMarch 9, 190919,1253,6139,358
McCone County55CircleFebruary 20, 19191,6942,6436,845
Madison County57Virginia CityFebruary 2, 18657,8203,5879,290
Meagher County59White Sulphur SpringsNovember 16, 18671,8532,3926,195
Mineral County61SuperiorAugust 7, 19144,3161,2203,160
Missoula County63MissoulaFebruary 2, 1865119,6002,5986,729
Musselshell County65RoundupFebruary 11, 19114,6511,8674,836
Park County67LivingstonFebruary 23, 188716,6062,6566,879
Petroleum County69WinnettNovember 24, 19245131,6544,284
Phillips County71MaltaFebruary 5, 19154,0745,14013,313
Pondera County73ConradFebruary 17, 19195,9721,6254,209
Powder River County75BroadusMarch 7, 19191,7163,2978,539
Powell County77Deer LodgeJanuary 31, 19016,9682,3266,024
Prairie County79TerryFebruary 5, 19151,0871,7374,499
Ravalli County81HamiltonFebruary 16, 189343,8062,3946,200
Richland County83SidneyMay 27, 191410,9132,0845,398
Roosevelt County85Wolf PointFebruary 18, 191911,0592,3566,102
Rosebud County87ForsythFebruary 11, 19019,0635,01212,981
Sanders County89Thompson FallsFebruary 7, 190511,8442,7627,154
Sheridan County91PlentywoodMarch 24, 19133,4241,6774,343
Silver Bow County93ButteFebruary 16, 188134,9157181,860
Stillwater County95ColumbusMarch 24, 19139,5341,7954,649
Sweet Grass County97Big TimberMarch 5, 18953,7101,8554,804
Teton County99ChoteauFebruary 7, 18936,1622,2735,887
Toole County101ShelbyMay 7, 19144,8531,9114,949
Treasure County103HyshamFebruary 7, 19196799792,536
Valley County105GlasgowFebruary 6, 18937,4374,92112,745
Wheatland County107HarlowtonFebruary 22, 19172,2361,4233,686
Wibaux County109WibauxAugust 17, 19141,0348892,302
Yellowstone County111BillingsFebruary 26, 1883161,3002,6356,825