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 on September 23, 2026.
Henderson County, Illinois, has about 6,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Henderson County is held at the county jail, run by the Henderson 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: Henderson County public records, Henderson County arrest records, Henderson County warrants, Henderson County criminal records, Henderson County court records, Illinois arrest records and Illinois inmate search.
Finding Someone in Custody in Henderson County
The county jail, run by the Henderson County Sheriff's Office, holds everyone kept in custody after an arrest in Henderson County, from every agency.
SearchSystems opened and checked the custody page of the Henderson County Sheriff's Office at sheriffhendersoncounty.com/inmate-lookup (page title: Inmate Lookup | Henderson County Sheriff's Office), which answered when SearchSystems opened it on September 23, 2026.
Someone booked recently shows on that page; someone cited and released at the scene, or held a few hours at a city station, does not.
The Henderson County Jail by the Numbers
On an average day in 2024 the jail held about 2 people, down from about 9 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 14 beds, and it ran at 64 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Henderson County has about 6,000 residents (2024 Census Bureau estimate), so the jail holds about 3 people for every 10,000 residents.
Who Books People Into the Henderson County Jail
The Henderson County Sheriff's Office and the agencies that report for Oquawka, Stronghurst and Gulfport make the arrests that end in a booking in Henderson County.
The Dallas City Police Department is listed by the FBI across two counties including Henderson County, so its arrests are not broken out for Henderson County here.
The largest arrest counts reported to the FBI were Oquawka's 1,152 for 2025, Stronghurst's 1,152 for 2025 and Gulfport's 1,152 for 2025.
Together, the four agencies in Henderson County with all twelve months of 2025 on file reported 3,459 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 Henderson 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 Illinois Department of Corrections lists its inmates at idoc.illinois.gov/offender/inmatesearch.html.
Frequently Asked Questions
How do I find an inmate in Henderson County?
Look on the custody page of the Henderson County Sheriff's Office at sheriffhendersoncounty.com/inmate-lookup. It covers people booked into the county jail.
How many people are in the Henderson County jail?
About 2 on an average day in 2024, the latest year in the Vera Institute's jail data, against a rated capacity of 14 beds.
Where do people sentenced to prison in Henderson County go?
To a facility of the Illinois Department of Corrections; its inmate locator is at idoc.illinois.gov/offender/inmatesearch.html.
Is this the official Henderson 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.