Caldwell County Jail
Caldwell County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Legal / Booked Name] — [Inmate ID if known]
Caldwell County Jail
111 E. Market Street, Princeton, KY 42445
Caldwell County Jail
111 E. Market Street, Princeton, KY 42445
Physical Address
111 E. Market Street, Princeton, KY 42445
Governing Agency
Caldwell County County / Jailer
Inmate ID
Resident / Inmate ID — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Verify the person is currently housed at Caldwell County Jail before mailing. Use the inmate's full legal/booked name and inmate ID when known. Mail to 111 E. Market Street, Princeton, KY 42445 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 publisher/vendor and package rules before ordering books or periodicals.
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/placement, visitor approval requirements and current visitation rules before traveling.
Last verified: September 27, 2026
How to Address Your Letter
Verify the person is currently housed at Caldwell County Jail before mailing. Use the inmate's full legal/booked name and inmate ID when known. Mail to 111 E. Market Street, Princeton, KY 42445 and include a complete sender return address.
About Caldwell County Jail
Caldwell County Jail is a Kentucky correctional, juvenile justice or related facility record reviewed for current status on 2026-09-27.