Western Illinois Correctional Center
Western Illinois Correctional Center
Location: Mt. Sterling, IL
Security Level: Medium Security
History: Western Illinois Correctional Center (Western) is a medium-security male facility within IDOC. It is located in Mt. Sterling, IL, approximately a four-hour drive southwest of Chicago, and an hour and a half northwest of Springfield. Western also operates the minimum-security Clayton Work Camp (Clayton), located 11 miles from the facility.
Mailing/Contact Information:
Individual in Custody mailing address: 2500 Rt. 99 South, Mount Sterling, IL 62353
Telephone: (217) 773-4441
Population and program participation information sourced from January 1, 2026 IDOC Quarterly Report
Facility Population: 1,535
Rated Capacity: 1,894
Percent of Capacity: 81.0%
Clayton Work Camp Population: 40
Rated Capacity: 150
Percent of Capacity: 26.7%
Educational & Vocational Participants: 245 (16%)
Courses Offered: ABE, Advanced ABE, ASE, Career Technologies, Construction Occupations, Culinary Arts, and Horticulture
State Representatives: Current as of January 2026
Kyle Moore (R) - House District 99
Springfield Office: 222-N Stratton Building, Springfield, IL 62706, (217) 782-8096
District Offices: 3601 E. Lake Centre Dr., Suite 200, Quincy, IL 62305, (217) 223-0833
Additional District Office: 325 W. State St., Ste. 102, Jacksonville, IL 62650, (217) 223-0833
Jil Tracy (R) – Senate District 50
Springfield Office: 208B Capitol Building, Springfield, IL 62706, (217) 782-2479
District Offices: 3601 E. Lake Centre Dr., Ste. 200, Quincy, IL 62305, (217) 223-0833
Additional District Office: 325 W. State St., Suite 102, Jacksonville, IL 62650, (217) 408-1258
