There are 44
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 sove ...
of
Idaho
Idaho ( ) is a state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Montana and Wyom ...
.
The
Idaho Territory was organized in March 1863, and Owyhee County was the first county in the territory to be organized, in December of that year. Oneida County was organized in January 1864, while
Missoula County
Missoula County is located in the State of Montana. As of the 2020 census, the population was 117,922, making it Montana's third-most populous county. Its county seat and largest city is Missoula. The county was founded in 1860.
Missoula Coun ...
was adopted the same month, before becoming part of the new
Montana Territory
The Territory of Montana was an organized incorporated territory of the United States that existed from May 26, 1864, until November 8, 1889, when it was admitted as the 41st state in the Union as the state of Montana.
Original boundaries
...
in May. Shoshone, Nez Perce, Idaho and Boise Counties were recognized in February 1864;
Alturas County was organized the same month. In December 1864, Kootenai and Ada Counties were created;
Lah-Toh County was also created at this time but was abolished in 1867.
Idaho's present-day boundaries were established in 1868, and Lemhi County was created the following year. By the time Idaho was
admitted to the Union
''Admitted'' is a 2020 Indian Hindi-language docudrama film directed by Chandigarh-based director Ojaswwee Sharma. The film is about Dhananjay Chauhan, the first transgender student at Panjab University. The role of Dhananjay Chauhan has been p ...
as the 43rd state in 1890, a further eight counties had been created, bringing the total to 18. After Canyon, Fremont and Bannock Counties had been created, Alturas and
Logan Counties were merged to form Blaine County in March 1895; Lincoln County was formed out of Blaine County later the same month. Bonner and Twin Falls Counties were created in 1907, before a further 21 counties were created between 1911 and 1919, bringing the total to the present-day 44.
Since 1945, each county has used a code on its
license plate
A vehicle registration plate, also known as a number plate (British English), license plate (American English), or licence plate (Canadian English), is a metal or plastic plate attached to a motor vehicle or trailer for official identificatio ...
s that features the first letter of the county's name. Where the names of two or more counties start with the same letter, in each of these counties the letter is preceded by a number indicating that county's order in the alphabetical list. For instance, the four counties beginning with 'L' in alphabetical order are Latah, Lemhi, Lewis and Lincoln; the codes for these counties are thus 1L, 2L, 3L and 4L respectively. Elmore, Idaho, Kootenai, Nez Perce, Shoshone, Valley, and Washington Counties are the only ones in the state with their respective first letters; in these counties, the letter alone serves as the code.
Alphabetical list
Extinct counties
*
Alturas County created February 4, 1864, and abolished March 5, 1895.
*
Logan County Logan County is the name of ten current counties and one former county in the United States:
* Logan County, Arkansas
* Logan County, Colorado
* Logan County, Idaho (1889–1895)
* Logan County, Illinois
* Logan County, Kansas
* Logan County, ...
created February 7, 1889, and abolished March 5, 1895.
References
{{DEFAULTSORT:List Of Counties In Idaho
Idaho, counties in
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 ...