Bonneville County, Idaho

Bonneville County is a county in the U.S. state of Idaho. As of the 2010 census, 104,234 people lived there, 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.

Cities

 * Ammon
 * Idaho Falls
 * Iona
 * Irwin
 * Ririe (partially)
 * Swan Valley
 * Ucon

Census-designated place

 * Lincoln

Unincorporated communities

 * Beachs Corner
 * Bone
 * Osgood
 * Palisades

Ghost towns

 * Herman
 * Caribou City