Casper is a city in, and the county seat of, Natrona County, Wyoming, United States. Casper is the second-most populous city in the state after Cheyenne, with the population at 59,038 as of the 2020 census. Casper is nicknamed "The Oil City" and has a long history of oil boomtown and cowboy culture, dating back to the development of the nearby Salt Creek Oil Field.
Overview of downtown, looking south toward Casper Mountain, with North Platte River
The waterfall at Casper's Rotary Park, at the base of Casper Mountain
Sinclair's Casper refinery in nearby Evansville
Casper, as seen from Casper Mountain, where a majority of the city's FM and TV stations broadcast from.
Natrona County is a county in the U.S. state of Wyoming. As of the 2020 United States Census, the population was 79,955, making it the second-most populous county in Wyoming. Its county seat is Casper.
Natrona County Courthouse in Casper
Badlands of Hell's Half-Acre, Natrona County