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The COVID-19 vaccination requirement for visitors to IDJJ facilities has been suspended as of 1/12/23. Visitors may be required to complete a rapid COVID-19 test when they arrive at the facility. 

Illinois Youth Center - Pere Marquette

Youth Basketball at IYC Pere Marquette

Facility Data

Illinois Youth Center Pere Marquette

Opened:  March 1963
Capacity:  40
Level 3 Minimum Juvenile Male

Facility Administrators

Samuel London- Assistant Superintendent of Operations



NOTE: Please review IDJJ Visitation Rules and Information before visiting.

On the first visit to any Illinois Youth Center, the visitors will be required to have a photo identification, such as a driver's license, a state identification card, or acceptable documentation of non-US citizen including a current passport, Visa, or Matricula, and documentation that includes their social security numbers if US citizens, and date of birth.

Please have two forms of identification; one should be a photo ID for additional visits.

Call facility for hours.

Facility Address

Business Mail:
17808 State Highway 100W
Grafton, IL  62037

Youth Mail:
17808 State Highway 100W
Grafton, IL  62037


Facility Information

IYC- Pere Marquette is a level three, minimum security male facility with an open campus. IYC-Pere Marquette is the first step-down juvenile facility totally dedicated to reintegrating the youth back into the community. Youth benefit from more intense intervention, treatment-oriented programming, and community involvement which will ensure them an opportunity for a structured learning setting to assist them in developing positive life building skills. IYC-Pere Marquette does not house any special offender population.