Inmate Mail

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All mail must be sent to the facility and cannot be dropped off for detainees/inmates. Incoming mail will be delivered to detainees/inmates no later than (24) twenty-four hours after it is received from the Post Office. Outgoing mail will be forwarded to the Post Office no later than (24) twenty-four hours after it is received from the detainees/inmates.

The following items are prohibited and will be returned to the sender:

  • Letters and cards with ornamentation (musical, plastics, glitter, wood, metals, cloth, ribbon, cord, etc.), adhesives, paints, any foreign substances (paper altered/discolored, ink runny)
  • Photos larger than 4"x 6", Polaroid photos, pictures/photos depicting alcohol, drugs, gang affiliation, weapons (real or toys), nudity or sexual content
  • Books, booklets/pamphlets, newspapers, magazines, periodicals
  • Detainees/Inmates may not receive blank paper, stamps or envelopes in the mail.
  • Correspondence from other detainees/inmates, including use of a third party outside the facility to circulate mail back into the facility.
  • Cigarettes

If no return address is available, the package will be destroyed.

There will be no incoming or out-going mail on the weekends and holidays.

To write to a detainee/inmate that is in custody, address the envelope as shown below:

Detainee/Inmate's Full Name, Jail ID # ______________

McHenry County Jail
2200 N. Seminary Avenue
Woodstock, IL 60098

ICSletters Secure Inmate Email Service

ICSletters is a fast, easy and affordable way to send messages to friends and family who are being held in a correctional facility. Participating friends and family members can send an ICSletter from any internet connected computer. McHenry County Correctional Bureau will process and deliver mail directly to the recipient one time each day, Tuesday thru Friday, not including holidays. No more trips to the post office, no more stamps to purchase. It saves money, time and provides another way to keep the lines of communication open.

What do I need to participate?
Any computer with an internet connection will work; whether it is your own computer, or borrowed from a friend, or used at the Public Library. To fund the account, you will need a debit or credit card. Most banks and stores such as CVS and Wal-Mart offer prepaid Visa, MasterCard or American Express cards.

How do I get started?
It's easy. Simply visit to create your own personal account. From there, the program will guide you through simple instructions and you will be ready to send ICSletters within minutes.

Cost is $0.50 per page which includes up to 2,500 characters.

Website Developed By:
KMK Media Group