Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site between September 24, 2026 and October 1, 2026.
Glenwood, Iowa, in Mills County, has about 5,200 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Glenwood is held at the county jail, run by the Mills County Sheriff's Office, and the jail's record of each person held is a public record. This guide says where to look for someone in custody, what the jail holds and who books people into it.
This guide covers the search, the jail, who books people, state prison and common questions.
Related guides: Glenwood public records, Mills County inmate search, Glenwood arrest records, Glenwood warrants, Glenwood criminal records, Glenwood court records, Iowa arrest records and Iowa inmate search.
Finding Someone in Custody in Glenwood
A person kept in custody after an arrest in Glenwood is held at the county jail, run by the Mills County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Mills County Sheriff's Office at millscountyiowa.gov/m/directory/department?did=20 (page title: Staff Directory, Sheriff), phone 712-527-4275, 600 Industrial Road Glenwood, IA 51534, Monday through Friday 7:30 am to 4:00 pm, which answered when SearchSystems opened it on September 30, 2026.
That page is the office's jail information page rather than a roster, so a search for a particular person goes through the office at 712-527-4275.
The Mills County Jail by the Numbers
On an average day in 2019 the jail held about 24 people. Its rated capacity in 2019 was 47 beds, and it ran at 51 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Mills County has about 15,000 residents (2024 Census Bureau estimate), so the jail holds about 16 people for every 10,000 residents.
Who Books People Into the Mills County Jail
The Mills County Sheriff's Office and the agency that reports for Glenwood (filed by the FBI as Glenwood Police Department) make the arrests that end in a booking in and around Glenwood.
The largest arrest counts reported to the FBI were the Mills County Sheriff's Office's 184 for 2025 and Glenwood's 148 for 2025.
Together, the two agencies in Mills County with all twelve months of 2025 on file reported 332 arrests to the FBI that year. Those kept in custody were booked into the county jail; a person cited and released at the scene was not.
The counts, agency by agency and year by year, are in Glenwood arrest records.
From the Jail to State Prison
A sentence of more than a year is served in state prison, not the jail; the Iowa Department of Corrections lists its inmates at doc.iowa.gov/inmate-family-services.
Frequently Asked Questions
How do I find an inmate in Glenwood?
Ask the Mills County Sheriff's Office at 712-527-4275; its jail page SearchSystems verified is at millscountyiowa.gov.
How many people are in the Mills County jail?
About 24 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 47 beds.
What is the phone number for the Mills County jail?
712-527-4275, the number on the page of the Mills County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Mills County go?
To a facility of the Iowa Department of Corrections; its inmate locator is at doc.iowa.gov/inmate-family-services.
Is this the official Glenwood website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.