Rockcastle County Detention Center
Rockcastle County Detention Center
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Legal / Booked Name] — [Inmate ID if known]
Rockcastle County Detention Center
205 E. Main Street, P.O. Box 12, Mt. Vernon, KY 40456
Rockcastle County Detention Center
205 E. Main Street, P.O. Box 12, Mt. Vernon, KY 40456
Physical Address
205 E. Main Street, Mt. Vernon, KY 40456
Governing Agency
Rockcastle County County / Jailer
Inmate ID
Inmate / Booking Number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Verify the person is currently housed at Rockcastle County Detention Center before mailing. Use the inmate's full legal/booked name and inmate ID when known. Mail to 205 E. Main Street, P.O. Box 12, Mt. Vernon, KY 40456 and include a complete sender return address.
Last verified: September 27, 2026
Confirm current photograph size, quantity and content restrictions before mailing.
Last verified: September 27, 2026
Confirm current approved publisher/vendor and package rules before ordering books, magazines or newspapers.
Last verified: September 27, 2026
Use the facility's approved inmate-account deposit method; do not enclose cash unless specifically authorized.
Last verified: September 27, 2026
Verify current custody, visitor approval requirements and current visitation or video-visitation rules before traveling.
Last verified: September 27, 2026
How to Address Your Letter
Verify the person is currently housed at Rockcastle County Detention Center before mailing. Use the inmate's full legal/booked name and inmate ID when known. Mail to 205 E. Main Street, P.O. Box 12, Mt. Vernon, KY 40456 and include a complete sender return address.
About Rockcastle County Detention Center
Rockcastle County Detention Center is a Kentucky correctional record reviewed for current status and mail routing on 2026-09-27.