List of counties in Montana

This is a list of the counties in the U.S. state of Montana. There are 56 counties in the state.

Montana has two consolidated city-counties—Anaconda with Deer Lodge County and Butte with Silver Bow County. The portion of Yellowstone National Park that lies within Montana was not part of any county until 1978, when part of it was nominally added to Gallatin County, and the rest of it to Park County.

Montana's postal abbreviation is MT and its FIPS state code is 30.

Counties The Federal Information Processing Standard (FIPS) code, which is used by the United States government to uniquely identify counties, is provided for each county. The FIPS code for each county links to census data for that county.

Racial / Ethnic Profile of counties in Montana (2020 Census) Racial / Ethnic Profile of counties in Montana (2020 Census) Following is a table of counties in Montana by race/ethnicity. The majority racial/ethnic group is coded per the key below.

Majority minority with no dominant groupMajority WhiteMajority BlackMajority HispanicMajority AsianMajority Native American

+ Racial and ethnic composition of counties in Montana (2020 Census)(NH = Non-Hispanic) County Locationof County Total Population White alone (NH) % Black orAfrican American alone (NH) % Native American orAlaska Native alone (NH) % Asian alone (NH) % Pacific Islander alone (NH) % Other race alone (NH) % Mixed race orMultiracial (NH) % Hispanic or Latino(any race) %Beaverhead9,3718,33088.89%240.26%1201.28%370.39%30.03%400.43%3864.12%4314.60%Big Horn13,1243,40725.96%110.08%8,62765.73%440.34%90.07%30.02%5083.87%5153.92%Blaine7,0442,94241.77%100.14%3,62151.41%130.18%00.00%350.50%2653.76%1582.24%Broadwater6,7746,14990.77%170.25%440.65%50.07%00.00%240.35%3354.95%2002.95%Carbon10,4739,60391.69%130.12%970.93%210.20%00.00%450.43%4334.13%2612.49%Carter1,4151,34194.77%00.00%70.49%10.07%00.00%40.28%513.60%110.78%Cascade84,41468,79481.50%1,0851.29%3,7254.41%9081.08%1050.12%4410.52%5,3446.33%4,0124.75%Chouteau5,8954,17270.77%100.17%1,34722.85%180.31%00.00%100.17%1793.04%1592.70%Custer11,86710,70190.17%710.60%1921.62%520.44%70.06%130.11%4693.95%3623.05%Daniels1,6611,46788.32%00.00%342.05%130.78%00.00%00.00%985.90%492.95%Dawson8,9407,96989.14%380.43%1661.86%570.64%10.01%300.34%3914.37%2883.22%Deer Lodge9,4218,51490.37%230.24%2222.36%330.35%20.02%150.16%3523.74%2602.76%Fallon3,0492,85893.74%50.16%270.89%50.16%20.07%10.03%882.89%632.07%Fergus11,44610,56692.31%210.18%1241.08%380.33%00.00%330.29%4393.84%2251.97%Flathead104,35793,41689.52%2690.26%9310.89%7030.67%770.07%4590.44%5,1734.96%3,3293.19%Gallatin118,960104,00387.43%4930.41%9220.77%1,3891.17%910.08%5490.46%5,6184.72%5,8954.95%Garfield1,1731,12595.91%00.00%90.77%20.17%10.09%00.00%221.88%141.19%Glacier13,7783,49625.37%190.14%9,08565.94%390.28%160.12%100.07%8125.89%3012.18%Golden Valley82372487.97%70.85%10.12%00.00%10.12%111.34%445.35%354.25%Granite3,3093,06692.66%00.00%240.73%30.09%00.00%130.39%1183.57%852.57%Hill16,30911,02067.57%440.27%3,67122.51%790.48%80.05%240.15%9635.90%5003.07%Jefferson12,08510,92690.41%150.12%1611.33%490.41%00.00%430.36%6004.96%2912.41%Judith Basin2,0231,88393.08%80.40%10.05%40.20%20.10%130.64%633.11%492.42%Lake31,13420,37365.44%640.21%6,63221.30%1380.44%210.07%1080.35%2,6308.45%1,1683.75%Lewis and Clark70,97362,06387.45%2660.37%1,2331.74%5510.78%440.06%2870.40%3,9305.54%2,5993.66%Liberty1,9591,85694.74%20.10%100.51%60.31%00.00%60.31%663.37%130.66%Lincoln19,67717,72590.08%320.16%2041.04%1000.51%130.07%860.44%9564.86%5612.85%McCone1,7291,59292.08%10.06%231.33%80.46%20.12%100.58%613.53%321.85%Madison8,6237,95592.25%110.13%340.39%300.35%60.07%400.46%3083.57%2392.77%Meagher1,9271,78192.42%120.62%40.21%20.10%00.00%80.42%743.84%462.39%Mineral4,5354,04489.17%100.22%631.39%210.46%50.11%180.40%2275.01%1473.24%Missoula117,92299,95384.76%7060.60%3,0092.55%1,4231.21%1220.10%5090.43%6,1965.25%6,0045.09%Musselshell4,7304,27490.36%40.08%871.84%220.47%50.11%120.25%1803.81%1463.09%Park17,19115,63690.95%620.36%1420.83%750.44%00.00%510.30%7154.16%5102.97%Petroleum49646693.95%00.00%00.00%00.00%00.00%00.00%255.04%51.01%Phillips4,2173,49282.81%50.12%3297.80%150.36%00.00%260.62%2385.64%1122.66%Pondera5,8984,64478.74%40.07%89115.11%250.42%110.19%100.17%2163.66%971.64%Powder River1,6941,52990.26%50.30%311.83%00.00%00.00%100.59%844.96%352.07%Powell6,9466,01686.61%640.92%4025.79%230.33%30.04%170.24%2603.74%1612.32%Prairie1,08898290.26%20.18%131.19%70.64%00.00%00.00%514.69%333.03%Ravalli44,17439,69589.86%880.20%3230.73%2410.55%290.07%3350.76%1,8794.25%1,5843.59%Richland11,4919,89286.08%610.53%1651.44%1211.05%50.04%460.40%5965.19%6055.27%Roosevelt10,7943,58733.23%320.30%6,15056.98%470.44%00.00%220.20%7176.64%2392.21%Rosebud8,3294,76857.25%200.24%2,90834.91%320.38%20.02%280.34%3374.05%2342.81%Sanders12,40010,73286.55%230.19%4413.56%560.45%30.02%760.61%7235.83%3462.79%Sheridan3,5393,17089.57%140.40%611.72%130.37%00.00%30.08%1714.83%1073.02%Silver Bow35,13331,08188.47%1260.36%4801.37%2140.61%200.06%1340.38%1,4404.10%1,6384.66%Stillwater8,9638,11090.48%130.15%850.95%220.25%00.00%330.37%4314.81%2693.00%Sweet Grass3,6783,33290.59%80.22%240.65%150.41%30.08%80.22%1905.17%982.66%Teton6,2265,65590.83%190.31%1011.62%150.24%60.10%380.61%3074.93%851.37%Toole4,9714,17984.07%320.64%3386.80%360.72%00.00%200.40%1883.78%1783.58%Treasure76268890.29%10.13%151.97%30.39%10.13%00.00%233.02%314.07%Valley7,5786,35383.83%150.20%6748.89%190.25%00.00%290.38%3144.14%1742.30%Wheatland2,0691,85089.42%30.14%110.53%30.14%00.00%70.34%1276.14%683.29%Wibaux93785991.68%20.21%50.53%20.21%20.21%50.53%353.74%272.88%Yellowstone164,731136,51482.87%1,1870.72%6,5463.97%1,2790.78%2110.13%5760.35%8,3035.04%10,1156.14%

Previous counties St. Charles County, Missouri Territory created October 1, 1812, moved 1813 Vancouver County, Oregon Territory created August 13, 1848, renamed Clarke County, Oregon Territory September 3, 1849 Clarke County, Washington Territory created March 2, 1853 Walla Walla County, Washington Territory April 25, 1854 Spokane County, Washington Territory created January 29, 1858, abolished January 19, 1864 Missoula County, Washington Territory created December 14, 1860, abolished May 26, 1864 Shoshone County, Washington Territory created January 9, 1861, abolished March 3, 1863 Stevens County, Washington Territory created January 20, 1863 Shoshone County, Idaho Territory created February 4, 1864

Extinct counties Edgerton County, Montana Territory created February 2, 1865, renamed Lewis and Clark County, Montana Territory March 1, 1868. Big Horn County, Montana Territory created February 2, 1865, renamed Custer County, Montana Territory February 16, 1877.

County equivalents Yellowstone National Park (Montana Territory) created March 1, 1872, divided between Park County, Montana and Gallatin County, Montana in 1978.

See also History of Montana Bibliography of Montana history Territorial evolution of Montana Timeline of Montana history List of cities and towns in Montana List of ghost towns in Montana List of places in Montana

References

Further reading