County Administration

Commissioners

Karl Casperson

Commissioner District 1

Karl Casperson, Bonneville County Commissioner District 1 was elected in January 2025. Karl is a U.S. Navy implant to Idaho Falls in 1983. 39+ years as a Deputy with Bonneville County Sheriff's Office. Father of seven. “Bonneville County is an incredible place to live, work and play!”

Jon Walker

Commissioner/Chairman District 2

Jonathan D. Walker, Bonneville County Commissioner District 2 was elected in January 2021. Jonathan grew up in the Coltman area of Bonneville County. After a career in Public Safety, serving as Police Officer and Fire Fighter in Idaho Falls, Jonathan served as Bonneville County Coroner for 11 years.

Michelle Mallard

Commissioner District 3

Michelle Mallard, Bonneville County Commissioner District 3 took office in January 2025. Michelle is a sixth-generation Idahoan born and raised in Bonneville County. She is serving as a Bonneville County Commissioner and is a retired magistrate judge.