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Wyoming Counties
There are 23 Counties in the state of Wyoming. There were originally five Counties in the Wyoming Territory: Laramie and Carter, established in 1867; Carbon and Albany established in 1868; and Uinta, an annexed portion of Utah and Idaho, extending from Montana (including Yellowstone Park) to the Wyoming-Utah boundary. On July 10, 1890, Wyoming was admitted to the Union with thirteen counties.

Sheridan County, Wyoming

Sheridan County History, Geography, and Demographics

County Seat: Sheridan
Year Organized: 1888
Square Miles: 2,527
Court House:

244 S. Main St.
County Courthouse
Sheridan, WY 82801-4833

Etymology - Origin of County Name

Named in honor of General Philip Sheridan of Civil War fame.


County QuickFacts: Census Bureau Quick Facts

County History

Sheridan County was organized in 1888.


According to the U.S. Census Bureau, the county has a total area of 2,527 sq mi (6,545 kmē) making it over 1000 square miles larger than the state of Rhode Island. 2,523 sq mi (6,535 kmē) of it is land, and 4 sq mi (10 kmē) of it (0.15%) is water.

Sheridan County is located halfway between Yellowstone National Park and the Black Hills of South Dakota, at the base of the majestic Big Horn Mountains. Sheridan is surrounded by historic spots: Fort Phil Kearny to the south, Little Big Horn Battlefield to the north, the Medicine Wheel to the west and Devil's Tower to the east. Interstate 90, U.S. Highways 14, 14A and 87 provide access to Sheridan County.

Neighboring Counties:

  • Big Horn County, Montana (north)
  • Powder River County, Montana (northeast)
  • Campbell County (east)
  • Johnson County (south)
  • Big Horn County (west)

Cities and Towns:

- Clearmont town Incorporated Area
- Dayton town Incorporated Area
- Ranchester town Incorporated Area
- Sheridan (County Seat) city Incorporated Area

County Resources:

Sheridan County, Wyoming!

County Resources
Counties: US Map
The history of our nation was a prolonged struggle to define the relative roles and powers of our governments: federal, state, and local. And the names given the counties, our most locally based jurisdictions, reflects the "characteristic features of this country!"