Gem County, Idaho

Gem County, Idaho
Gem County Courthouse
Location within the U.S. state of Idaho
Coordinates: 44°04′N 116°25′W / 44.06°N 116.41°W / 44.06; -116.41
Country United States
State Idaho
FoundedMarch 15, 1915
Named afterthe state nickname, "Gem State".
SeatEmmett
Largest cityEmmett
Area
 • Total
566 sq mi (1,470 km2)
 • Land561 sq mi (1,450 km2)
 • Water4.8 sq mi (12 km2)  0.8%
Population
 (2020)
 • Total
19,123
 • Density34.1/sq mi (13.2/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional district1st
Websitewww.gemcounty.org

Gem County is a county in the U.S. state of Idaho. As of the 2020 census, the population was 19,123. The county seat and largest city is Emmett.

Gem County is part of the Boise metropolitan area.

Gem County is home to the Idaho ground squirrel.