This is a list of the

counties A county is a geographic region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...

in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columbi ...

. There are 56 counties in the state. Montana has two consolidated city-counties—

Anaconda Anacondas or water boas are a group of large snakes of the genus '' Eunectes''. They are found in tropical South America. Four species are currently recognized. Description Although the name applies to a group of snakes, it is often used ...

with Deer Lodge County and

Butte __NOTOC__ In geomorphology, a butte () is an isolated hill with steep, often vertical sides and a small, relatively flat top; buttes are smaller landforms than mesas, plateaus, and tablelands. The word ''butte'' comes from a French word mea ...

with

Silver Bow County Silver Bow County is a county in the U.S. state Montana. As of the 2020 census, the population was 35,133. Its county seat is Butte. In 1977, the city and county governments consolidated to form the single entity of Butte-Silver Bow. Additional ...

. The portion of

Yellowstone National Park Yellowstone National Park is an American national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana and Idaho. It was established by the 42nd U.S. Congress with the Yellowston ...

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 FIPS state codes were numeric and two-letter alphabetic codes defined in U.S. Federal Information Processing Standard Publication ("FIPS PUB") 5-2 to identify U.S. states and certain other associated areas. The standard superseded FIPS PUB 5-1 o ...

is 30.

Counties

The

Federal Information Processing Standard The Federal Information Processing Standards (FIPS) of the United States are a set of publicly announced standards that the National Institute of Standards and Technology (NIST) has developed for use in computer systems of non-military, American ...

(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 A census is the procedure of systematically acquiring, recording and calculating information about the members of a given population. This term is used mostly in connection with national population and housing censuses; other common censuses incl ...

data for that county.

Previous counties

* St. Charles County, Missouri Territory created October 1, 1812, moved 1813 *

Vancouver County, Oregon Territory Clark County is the southernmost County (United States), county in the U.S. state of Washington (state), Washington. As of the 2020 United States census, 2020 census, the population was 503,311, making it Washington's List of counties in Washi ...

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 Park County is a county in the U.S. state of Montana. At the 2020 census, the population was 17,191. Its county seat is Livingston. A small part of Yellowstone National Park is in the southern part of the county. History The Territorial Legis ...

and

Gallatin County, Montana Gallatin County is located in the U.S. state of Montana. With its county seat in Bozeman, it is the second-most populous county in Montana, with a population of 118,960 in the 2020 Census. The county's prominent geographical features are the ...

in 1978.

References

{{U.S. Counties

*List

Counties A county is a geographic region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...

Counties

Previous counties

Extinct counties

County equivalents

See also

References