Putnam County Jail Mailing Address, Inmate Mail & Rules

Putnam County Jail

County Jail / Adult Detention Facility

Write and Send a Letter Official Website

Mailing Address

[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
Putnam County Jail
120 N. 4th Street
Hennepin, IL 61327

Physical Address

120 N. 4th Street, Hennepin, IL 61327

Phone

Governing Agency

Putnam 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. Include the sender's complete first and last name and return address.

Source: Official sourceLast verified: September 27, 2026

Confirm current photograph size, quantity and content restrictions before mailing. Do not send irreplaceable originals.

Source: Official sourceLast verified: September 27, 2026

Confirm current publisher/vendor, binding and package rules before ordering books, magazines, newspapers or parcels.

Source: Official sourceLast verified: September 27, 2026

Do not place cash in ordinary correspondence unless specifically authorized. Use the facility's current approved inmate-account deposit method.

Source: Official sourceLast verified: September 27, 2026

Verify current custody, visitor approval/registration requirements and the current visitation or video-visitation schedule before traveling.

Source: Official sourceLast verified: September 27, 2026

How to Address Your Letter

Verify the person is currently housed at Putnam County Jail before mailing.

Use:
[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
Putnam County Jail
120 N. 4th Street
Hennepin, IL 61327

Include the sender's complete first and last name and return address.

About Putnam County Jail

Putnam County operates a very small five-bed county jail at 120 N. 4th Street in Hennepin. Verify current local custody before mailing.

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