Osceola County Inmate Population is a private reference site, not a government office. We cannot confirm whether someone is in custody, approve a release, post bond, pull an official booking record, change a court date, or answer for the jail. Use the official contacts below for those tasks.
Where to Ask for Custody or Record Help
For local jail custody, booking questions, roster details, and jail records that are not shown in the weekly PDF roster, start with the sheriff-run jail contact.
Osceola County Sheriff's Department
Sheriff Kevin Wollmuth
Jail Admin Nathan Rosenberg
309 6th St.
Sibley, IA 51249
Phone: 712-754-2556
Fax: 712-754-2872
Email: kwollmuth@osceolacoia.org
Osceola County Clerk of Court
300 7th St.
Sibley, IA 51249
Hours: 8:00 AM-4:30 PM
Phone: 712-754-3595
Osceola County Attorney
Dawn Wilson, County Attorney
300 7th St.
Phone: 712-754-4604
Email: dwilson@osceolacoia.org
Custody notification
VINELink Iowa: 1-888-742-8463
Use the right source for the record type you need:
- For someone who may be held at the Osceola County Jail, use jail inmate records and then call the sheriff/jail if the weekly PDF does not answer the question.
- For booking-photo context and limits, use jail roster mugshots.
- For charges, court events, and filed case information after an arrest, use court records after a jail arrest or contact the Clerk of Court.
- For facility address, phone, and jail rules, use the Osceola County Jail page listed in the footer.
- For a sentenced state prisoner, search through the Iowa Department of Corrections rather than the county roster.
- For federal or immigration custody, use the Federal Bureau of Prisons locator or ICE detainee locator instead of the Osceola County Jail roster.