![The state flag of Illinois](https://s3.amazonaws.com/static.nicic.gov/nicic.gov/files/styles/intermediate_600_x_600_/s3/media/image/flag_of_illinois.png?VersionId=hTM9OEGh2SrZ6CX1zrRDoGfS8R.05YJM&itok=6MHBoNhG)
The Jail System
Illinois has 92 jails in 102 counties, with a jail population of approximately 20,600.
The Prison System
As of December 31, 2016, the Illinois prison population was 43,657 located in 28 prisons with a budget of $1.3 billion.
The Community Corrections System
As of December 31, 2016, the Illinois community corrections population was -- under probation and -- under parole.