Sevier County is a county in Utah, United States. As of the 2020 United States Census, the population was 21,522. Its county seat and largest city is Richfield.
Sevier County Courthouse in Richfield
Richfield is a city in and the county seat of Sevier County, Utah, United States, and is the largest city in southern-central Utah.
Sevier County Courthouse
A sign for Exit 37 and Business Loop 70 and SR-120, August 2013