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 September 30, 2026.
Rockcastle County, Kentucky, has about 16,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Rockcastle County is held at the county jail, run by the Rockcastle 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: Rockcastle County public records, Rockcastle County arrest records, Rockcastle County warrants, Rockcastle County criminal records, Rockcastle County court records, Kentucky arrest records and Kentucky inmate search.
Finding Someone in Custody in Rockcastle County
The county jail, run by the Rockcastle County Sheriff's Office, holds everyone kept in custody after an arrest in Rockcastle County, from every agency.
SearchSystems opened and checked the jail page of the Rockcastle County Sheriff's Office at sheriff-rockcastlecounty.ky.gov/Pages/index.aspx (page title: Rockcastle County Sheriff), phone (606) 256-2032, 205 East Main Street Mount Vernon, KY 40456, 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 (606) 256-2032.
The Rockcastle County Jail by the Numbers
So far in 2026 the jail has held about 62 people on an average day, down from about 120 in 2019. Its rated capacity is 73 beds, and it is running at 85 percent of it. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Rockcastle County has about 16,000 residents (2024 Census Bureau estimate), so the jail holds about 38 people for every 10,000 residents.
Who Books People Into the Rockcastle County Jail
The Rockcastle County Sheriff's Office and the agencies that report for Mount Vernon, Brodhead and Livingston make the arrests that end in a booking in Rockcastle County.
The largest arrest counts reported to the FBI were Mount Vernon's 198 for 2025, the Rockcastle County Sheriff's Office's 147 for 2025 and Brodhead's 3 for 2025.
Together, the four agencies in Rockcastle County with all twelve months of 2025 on file reported 348 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 Rockcastle 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 Rockcastle 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 Rockcastle County?
Ask the Rockcastle County Sheriff's Office at (606) 256-2032; its jail page SearchSystems verified is at sheriff-rockcastlecounty.ky.gov.
How many people are in the Rockcastle County jail?
About 62 on an average day so far in 2026, against a rated capacity of 73 beds.
What is the phone number for the Rockcastle County jail?
(606) 256-2032, the number on the page of the Rockcastle County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Rockcastle County go?
To a facility of the Kentucky Department of Corrections; its inmate locator is at kool.corrections.ky.gov/.
Is this the official Rockcastle 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.