This is a list of the
counties
A county () is a geographic region of a country used for administrative or other purposesL. Brookes (ed.) '' Chambers Dictionary''. Edinburgh: Chambers Harrap Publishers Ltd, 2005. in some nations. The term is derived from the Old French denoti ...
in the
U.S. state of
Montana
Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...
. There are 56 counties in the state.
Montana has two consolidated city-counties—
Anaconda with
Deer Lodge County and
Butte
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 table (landform), tablelands. The word ''butte'' comes from the French l ...
with
Silver Bow County. The portion of
Yellowstone National Park
Yellowstone National Park is a List of national parks of the United States, national park of the United States located in the northwest corner of Wyoming, with small portions extending into Montana and Idaho. It was established by the 42nd U ...
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 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 United Stat ...
(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 (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...
data for that county.
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
Montana is a U.S. state, state located in the Western United States. According to the 2020 United States Census, Montana is the List of U.S. states and territories by population, 8th least populous state with inhabitants but the List of U.S. sta ...
* List of ghost towns in Montana
* List of places in Montana
References
Further reading
*
{{U.S. Counties
Montana
Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...
*List
Counties
A county () is a geographic region of a country used for administrative or other purposesL. Brookes (ed.) '' Chambers Dictionary''. Edinburgh: Chambers Harrap Publishers Ltd, 2005. in some nations. The term is derived from the Old French denoti ...