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 23, 2026 and October 4, 2026.
Union County, Indiana, has about 6,900 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Union County is held at the county jail, run by the Union 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: Union County public records, Union County arrest records, Union County warrants, Union County criminal records, Union County court records, Indiana arrest records and Indiana inmate search.
Finding Someone in Custody in Union County
A person kept in custody after an arrest in Union County is held at the county jail, run by the Union County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Union County Sheriff's Office at unioncountyinsheriff.org (page title: Union County Indiana Sheriff's Office | Enhance Community Safety Today), which answered when SearchSystems opened it on October 4, 2026.
That page is the office's jail information page rather than a roster.
The Union County Jail by the Numbers
On an average day in 2024 the jail held about 9 people, down from about 30 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 10 beds, and it ran at 300 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Union County has about 6,900 residents (2024 Census Bureau estimate), so the jail holds about 13 people for every 10,000 residents.
Who Books People Into the Union County Jail
The Union County Sheriff's Office makes the arrests that end in a booking in Union County.
The Union County Sheriff's Office reported 1,152 arrests to the FBI for 2025. 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 Union 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 Indiana Department of Correction lists its inmates at offenderlocator.idoc.in.gov/idoc-ofs-1.0.2/ofs.
Frequently Asked Questions
How do I find an inmate in Union County?
Ask the Union County Sheriff's Office; its jail page SearchSystems verified is at unioncountyinsheriff.org.
How many people are in the Union County jail?
About 9 on an average day in 2024, the latest year in the Vera Institute's jail data, against a rated capacity of 10 beds.
Where do people sentenced to prison in Union County go?
To a facility of the Indiana Department of Correction; its inmate locator is at offenderlocator.idoc.in.gov.
Is this the official Union 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.