Natrona County is a county in the state of Wyoming, United States. According to the 2020 U.S. Census, the county has a population of 79,955, making it the second most populous county in Wyoming. The county seat is Casper, a region with a wealth of natural and cultural attractions. Natrona County includes the Casper metropolitan area.
Casper is a city located in Natrona County in central Wyoming, along the North Platte River and at the base of Casper Mountain. It's known for its Western heritage, outdoor recreational opportunities, and its role as a regional hub in central Wyoming. Casper is the second-most populous city in the state, with the population at 59,038 as of the 2020 census.
