Founded in 1888, Natrona County is one of 23 counties in the state of Wyoming. Historically, Natrona County was formed from part of Carbon County. The city of Casper is the county seat. With FIPS code of 25, Natrona County has a population of 79,555 and area of 5,340 square miles (13,831 km2).
List of all cities in Natrona County, WY alphabetically
- Alcova, WY
- Arminto, WY
- Casper, WY
- Edgerton, WY
- Evansville, WY
- Hiland, WY
- Midwest, WY
- Mills, WY
- Natrona, WY
- Powder River, WY