Sheridan is a city in Sheridan County, Wyoming, United States. The population was 15,804 at the 2000 census. It is the county seat of Sheridan County.

The city was named after General Philip Sheridan, Union cavalry leader in the American Civil War.

Sheridan is located at 44°47′48″N 106°57′32″W / 44.79667°N 106.95889°W / 44.79667; -106.95889 (44.796720, -106.958970).

According to the United States Census Bureau, the city has a total area of 8.5 square miles (22.0 km²), of which, 8.46 square miles (22.0 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.24%) is water.

Like most towns in the western United States, Sheridan's early industries included cattle ranching, logging, coal mining, railroading, agriculture, and small factories including a flour mill, brewery, and sugarbeet refinery. Residents today find employment in many fields including nearby coal mines, education, coal bed methane extraction, health care, retailing, banking, law firms; city, county, and state government; real estate sales, hospitality, lumber, railroad, dude ranching, National Forest, home construction, and a large number of small businesses, farming, and ranching.

Bus service is available in Sheridan through Arrow/Blackhills Stage Lines. There is currently no local service; however, the Sheridan Trolley runs from Memorial Day through Labor Day.

Sheridan is served by Sheridan County Airport, located southwest of town. Bighorn Airways offers airplane and helicopter air charter service, as well as an aircraft repair and installation center. Cheyenne, WY based Great Lakes Airlines offers service to Denver, CO.

Public education in the city of Sheridan is provided by Sheridan County School District #2. There are six elementary, two junior (or middle) schools-Sheridan Junior High and The Wright Place, and two high schools-Sheridan High School and Ft. Mackenzie High Schools. The Wright Place and Ft. Mackenzie High School are considered alternative education programs. In addition the district supports home schooling. Private and parochial schools are operated by Normative Services, Holy Name Parish (Holy Name School), and several religion-based organizations. The Northern Wyoming Community College District offers post-secondary education with Sheridan College.[citation needed]

In 2008, Sheridan High School was named #1,348 of the 1,355 best public high schools by Newsweek magazine.

As of the census of 2000, there were 15,804 people, 7,005 households, and 4,062 families residing in the city. The population density was 1,862.4 people per square mile (718.7/km²). There were 7,413 housing units at an average density of 873.6/sq mi (337.1/km²). The racial makeup of the city was 95.93% White, 0.22% African American, 0.97% Native American, 0.46% Asian, 0.20% Pacific Islander, 0.85% from other races, and 1.37% from two or more races. Hispanic or Latino of any race were 2.64% of the population. 24.0% were of German, 12.5% English, 10.3% Irish, 7.6% United States or American, 5.9% Norwegian and 5.3% Polish ancestry according to Census 2000.