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 4, 2026.
Hardin County, Iowa, has about 16,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Hardin County is held at the county jail, run by the Hardin 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: Hardin County public records, Hardin County arrest records, Hardin County warrants, Hardin County criminal records, Hardin County court records, Iowa arrest records and Iowa inmate search.
Finding Someone in Custody in Hardin County
The county jail, run by the Hardin County Sheriff's Office, holds everyone kept in custody after an arrest in Hardin County, from every agency.
SearchSystems opened and checked the jail page of the Hardin County Sheriff's Office at hardincountyia.gov/jail (page title: Jail | Hardin County | Hardin County), a site that blocks automated checks (HTTP 403), so open it in a browser.
That page is the office's jail information page rather than a roster.
The Hardin County Jail by the Numbers
On an average day in 2021 the jail held about 53 people, up from about 42 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 90 beds, and it ran at 47 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Hardin County has about 16,000 residents (2024 Census Bureau estimate), so the jail holds about 32 people for every 10,000 residents.
Who Books People Into the Hardin County Jail
The Hardin County Sheriff's Office and the agencies that report for Iowa Falls and Eldora make the arrests that end in a booking in Hardin County.
The largest arrest counts reported to the FBI were the Hardin County Sheriff's Office's 186 for 2025, Iowa Falls's 131 for 2025 and Eldora's 122 for 2025.
Together, the three agencies in Hardin County with all twelve months of 2025 on file reported 439 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 Hardin County 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 Hardin County?
Ask the Hardin County Sheriff's Office; its jail page SearchSystems verified is at hardincountyia.gov/jail.
How many people are in the Hardin County jail?
About 53 on an average day in 2021, the latest year in the Vera Institute's jail data, against a rated capacity of 90 beds.
Where do people sentenced to prison in Hardin 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 Hardin County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.