This site is a private reference guide, not a Lyon County government office. It cannot confirm whether someone is in custody, release a person, post bond, schedule a visit, or retrieve an official booking record. Use the appropriate public office for those actions.
Where to Start
For current jail questions, start with the Lyon County Jail. The jail is operated by the Lyon County Sheriff's Office under Sheriff B. Hilt and is associated with the Law Enforcement Center at 410 S. Boone St., Rock Rapids, IA 51246. The county courthouse mailing and public-contact address is 206 S. 2nd Ave., Rock Rapids, IA 51246.
Jail phone: 712-472-8356
Sheriff and county contact: 712-472-8300
Courthouse hours: Monday-Friday, 8:00 a.m.-4:30 p.m., closed holidays. Department hours may vary.
Use the list below to match the question to the record source.
- For a person currently held in the county jail, review jail inmate records and then call the jail if status or release details need confirmation.
- For booking photos, read jail roster mugshots; Lyon County's inspected roster and arrest log did not include mugshots online.
- For charges filed after booking, use court records after a jail arrest and Iowa Courts Online.
- For the local detention facility, use the Lyon County Jail page or the jail phone number above.
- For a sentenced Iowa prisoner or DOC supervision record, use the Iowa Department of Corrections offender search.
- For a federal sentenced inmate or immigration detainee, check the BOP inmate locator or ICE Online Detainee Locator System.
Public-record requests in Iowa are governed by Iowa Code Chapter 22, subject to confidentiality exceptions and agency rules.