The Sheriff, by Statute is responsible for operating the County Jail. The Jail Division maintains all functions related to Jail and Inmate management. The Jail houses approximately 167 inmates. The St Joseph Co Jail operates with a staff of twenty-four-hour (24) full time and (4) part time employees which includes four (4) Corrections Sergeants. Annually, the jail staff processes approximately 3500 inmates. The Jail Staff’s primary responsibility is to provide a safe, secure and humane environment for inmates.

The Jail offers several programs including education, rehabilitation, mental health, ministry, and health care. Inmate work crews work throughout the County to help with many public works projects.