Grundy County
Its jail, located in Morrison, has a capacity of 63.
Grundy County has a population of 53,835 and is classified by the U.S. Department of Agriculture as “Metro - Counties in metro areas of 1 million population or more”.
Annual inspections
Between 2017 and 2025, the Grundy County jail has failed two of nine Illinois Department of Corrections inspections.
| Year | Result | Violations cited |
|---|---|---|
| 2025 | Compliant | — |
| 2024 | Compliant | — |
| 2023 | Noncompliant |
|
| 2022 | Compliant | — |
| 2021 | Noncompliant |
|
| 2020 | Compliant | — |
| 2019 | Compliant | — |
| 2018 | Compliant | — |
| 2017 | Compliant | — |
Each violation links to the standard it cites in the Illinois County Jail Standards. Years link to the full inspection report for that year on the IDOC website.
Extraordinary or unusual incidents
Grundy County reported 16 extraordinary or unusual incidents at its jail between 2019 and 2025 — 3 per 10,000 residents, the 65th highest rate of the 92 Illinois counties with a jail.
Among the 36 metropolitan counties it is 24th; those counties report a median of 8.3. The median for every county with a jail is 7.
A county reporting less could indicate lower incident rates or lower reporting rates.
Incidents per 10,000 residents
Grundy CountyMetropolitan counties Every other county with a jail
Most frequent categories
- Suicide attempt9
- Taser used4
- OC spray used4
- Assault on staff2
A single report can fall into more than one category.
Reported incidents by year
Deaths in custody
No deaths in custody were identified at the Grundy County jail.
Illinois Answers withheld the names of some of the deceased at the request of their families.
Data compiled 2026-09-15. Methodology.