Hancock County Sheriff's Office

Hancock County Sheriff's Office serves Garner, IA. - 4:00 p.m.* *Patrol Division, Communications Center, and Jail are 24/7. Holiday Closures Rob Gerdes Sheriff Bio Rob Gerdes Robert Gerdes Jr. was elected to the position of Hancock County Sheriff in November of 2020. Rob served as a deputy sheriff in Hancock County from 2005 until his election. Prior to that he was a deputy sheriff in Winnebago County from 2000-2005, and a deputy sheriff in Worth County from 1997-2000. Accident Form Civil Divison Jail Division Patrol Division Weapons Permits Drug Drop Box Resources Sex Offender Registry Sheriff's Office The Hancock County Sheriff's Office is in North Central Iowa in the City of Garner. The Sheriff's Office was originally located in the County courthouse which was constructed and turned over to the county in 1899. The current Hancock County Sheriff's Office was later constructed south of the courthouse as a separate building in 1977. Non-emergency: (641) 923-2621. Dial 911 for emergencies.