Madison Correctional Institution (Ohio)

The Madison Correctional Institution (MaCI) is a state prison for men located in London, Madison County, Ohio. First opened in 1987, the facility has a working population of 2258 inmates, with a mix of security levels (minimum, medium, close, and a few max and super max).^[1]

Madison Correctional Institution

Location	1851 OH-56 London, Ohio
Status	open
Security class	mixed
Capacity	2258
Opened	1987
Managed by	Ohio Department of Rehabilitation and Correction

not to be confused with the Madison Correctional Institution, Madison, Florida

The facility is less than a mile from another Ohio state prison, London Correctional Institution.