Sevier County, Utah

Sevier County, Utah
Sevier County Courthouse in Richfield
Location within the U.S. state of Utah
Coordinates: 38°45′N 111°48′W / 38.75°N 111.80°W / 38.75; -111.80
Country United States
State Utah
FoundedJanuary 16, 1865
Named afterSevier River
SeatRichfield
Largest cityRichfield
Area
 • Total
1,918 sq mi (4,970 km2)
 • Land1,911 sq mi (4,950 km2)
 • Water7.8 sq mi (20 km2)  0.4%
Population
 (2020)
 • Total
21,522
 • Density11.3/sq mi (4.4/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional district2nd
Websitewww.sevier.utah.gov

Sevier County (/sɛˈvɪər/ sə-VEER) 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.

Pando, a clonal quaking aspen stand, that, according to some sources, is the oldest (80,000 years) and largest (106 acres, 13 million pounds) organism on Earth, is located in this county.