Bonneville County, Idaho

Bonneville County
Bonneville County Courthouse
Location within the U.S. state of Idaho
Idaho's location within the U.S.
Coordinates: 43°23′N 111°36′W / 43.38°N 111.6°W / 43.38; -111.6
Country United States
State Idaho
FoundedFebruary 7, 1911
Named forBenjamin Bonneville
SeatIdaho Falls
Largest cityIdaho Falls
Area
 • Total1,901 sq mi (4,920 km2)
 • Land1,866 sq mi (4,830 km2)
 • Water35 sq mi (90 km2)  1.8%
Population
 (2020)
 • Total123,964
 • Density63.8/sq mi (24.6/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional district2nd
Websitewww.bonnevillecountyidaho.gov

Bonneville County is a county in the U.S. state of Idaho. As of the 2020 census, 123,964 people lived there,[1] making it the fourth-most populous county in Idaho and the most populous in eastern Idaho. Its county seat and largest city is Idaho Falls.[2]

Communities

Cities

Census-designated place

Unincorporated communities

  • Beachs Corner
  • Bone
  • Osgood
  • Palisades

Ghost towns

  • Herman
  • Caribou City

References

  1. "QuickFacts: Bonneville County, Idaho". United States Census Bureau. Retrieved September 25, 2023.
  2. "Find a County". National Association of Counties. Archived from the original on 2011-05-31. Retrieved 2011-06-07.