Brown County Jail
Brown County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
Brown County Jail
200 Court Street, Room 1
Mt. Sterling, IL 62353
Brown County Jail
200 Court Street, Room 1
Mt. Sterling, IL 62353
Physical Address
200 Court Street, Room 1, Mt. Sterling, IL 62353
Phone
Governing Agency
Brown County Sheriff's Office
Inmate ID
Inmate / Booking Number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Use the inmate's full booked/legal name and identifying number when known and include the sender's complete return address.
Source: Official sourceLast verified: September 27, 2026
Confirm current county-jail photograph size, quantity and content restrictions before mailing.
Source: Official sourceLast verified: September 27, 2026
Confirm the current approved publisher/vendor and package rules before ordering books, magazines, newspapers or parcels.
Source: Official sourceLast verified: September 27, 2026
Do not enclose cash in ordinary correspondence unless specifically authorized. Use the current approved jail deposit system.
Source: Official sourceLast verified: September 27, 2026
Verify current custody, visitor-registration requirements and the current visitation/video-visitation schedule before traveling.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Verify the person is currently housed at Brown County Jail before mailing. Use the inmate's full booked/legal name and inmate / booking number when known. Mail to: Brown County Jail, 200 Court Street, Room 1, Mt. Sterling, IL 62353. Include the sender's complete name and return address.
About Brown County Jail
Brown County Sheriff's Office remains active at 200 Court Street, Room 1, in Mt. Sterling. Verify current inmate-mail content rules with the jail before sending valuable originals.