Commissioners
Karl T. Casperson
Karl Casperson, Bonneville County Commissioner District 1 took office in January 2025. Karl is a U.S. Navy implant to Idaho Falls in 1983 and served 39+ years as a Deputy with Bonneville County Sheriff's Office. He is a father of seven. “Bonneville County is an incredible place to live, work and play!”
Jonathan D. Walker
Jonathan D. Walker, Bonneville County Commissioner District 2 took office in January 2021. Jonathan grew up in the Coltman area of Bonneville County. After a career in Public Safety, serving as a Police Officer and Fire Fighter in Idaho Falls, Jonathan served as Bonneville County Coroner for 11 years.
Michelle Mallard
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 a retired magistrate judge in Bonneville County.
Contact Information
Mailing address
605 N Capital Ave, Idaho Falls, ID 83402
Physical Address
The Commissioners Office is located on the first floor of the Court House, 605 N Capital Ave, Idaho Falls, ID 83402
Phone Number
(208) 529-1360
commsec@bonnevillecountyidaho.gov
