Reviewed and updated October 11, 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 11, 2026.
Simpson County, Kentucky, has about 20,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Simpson County is held at the county jail, run by the Simpson 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: Simpson County public records, Simpson County arrest records, Simpson County warrants, Simpson County criminal records, Simpson County court records, Kentucky arrest records and Kentucky inmate search.
Finding Someone in Custody in Simpson County
A person kept in custody after an arrest in Simpson County is held at the county jail, run by the Simpson County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Simpson County Sheriff's Office at simpsoncountyky.gov/detention-center (page title: Detention Center | Simpson County Kentucky), 217 E. Kentucky St. Franklin KY 42134, which answered when SearchSystems opened it on October 11, 2026.
That page is the office's jail information page rather than a roster.
The Simpson County Jail by the Numbers
So far in 2026 the jail has held about 190 people on an average day, down from about 310 in 2019. Its rated capacity is 231 beds, and it is running at 83 percent of it. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Simpson County has about 20,000 residents (2024 Census Bureau estimate), so the jail holds about 94 people for every 10,000 residents.
Who Books People Into the Simpson County Jail
The Simpson County Sheriff's Office and the agency that reports for Franklin make the arrests that end in a booking in Simpson County.
The largest arrest counts reported to the FBI were Franklin's 447 for 2025 and the Simpson County Sheriff's Office's 364 for 2025.
Together, the two agencies in Simpson County with all twelve months of 2025 on file reported 811 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 Simpson County arrest records.
From the Jail to State Prison
The jail holds people awaiting trial and people serving short sentences. A person sentenced to prison in Simpson County serves the sentence in a facility of the Kentucky Department of Corrections, whose inmate locator is at kool.corrections.ky.gov/.
Frequently Asked Questions
How do I find an inmate in Simpson County?
Ask the Simpson County Sheriff's Office; its jail page SearchSystems verified is at simpsoncountyky.gov/detention-center.
How many people are in the Simpson County jail?
About 190 on an average day so far in 2026, against a rated capacity of 231 beds.
Where do people sentenced to prison in Simpson County go?
To a facility of the Kentucky Department of Corrections; its inmate locator is at kool.corrections.ky.gov/.
Is this the official Simpson 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.