Sheridan County is a county in the U.S. state of Wyoming. As of the 2020 United States census, the population was 30,921. The county seat is Sheridan. Its northern boundary abuts the Montana state border. Sheridan County comprises the Sheridan, WY Micropolitan Statistical Area.
History
Sheridan County was created by the legislature of the Wyoming Territory on March 9, 1888. The county was formed from a portion of Johnson County. Sheridan County was named for Philip Sheridan, a general in the American Civil War and controversial Indian fighter.
A portion of Sheridan County was annexed in 1897 to create Big Horn County. Sheridan County boundary lines were also slightly altered in 1911, and again in 1929, after which it has retained its boundary lines to the present time.
Geography
According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.1%) is water.
Adjacent counties
- Big Horn County, Montana – north
- Powder River County, Montana – northeast
- Campbell County – east
- Johnson County – south
- Big Horn County – west
Major highways
- 20px Interstate 90
- 20px U.S. Highway 14
- 20px U.S. Highway 16
- 20px U.S. Highway 87
- 20px Wyoming Highway 330
- 20px Wyoming Highway 331
- 20px Wyoming Highway 332
- 20px Wyoming Highway 334
- 20px Wyoming Highway 335
- 20px Wyoming Highway 336
- 20px Wyoming Highway 337
- 20px Wyoming Highway 338
- 20px Wyoming Highway 339
- 20px Wyoming Highway 341
- 20px Wyoming Highway 342
- 20px Wyoming Highway 343
- 20px Wyoming Highway 345
Transit
- Goose Creek Transit
- Jefferson Lines
National protected area
- Bighorn National Forest (part)