Franklin County
Its jail, located in Benton, has a capacity of 98.
Franklin County has a population of 37,033 and is classified by the U.S. Department of Agriculture as “Nonmetro - Urban population of 5,000 to 20,000, not adjacent to a metro area”.
Annual inspections
Between 2017 and 2025, the Franklin County jail has failed seven of nine Illinois Department of Corrections inspections.
Inspectors cited violations to “Supervision” regulations most often, bringing it up in five of those failed inspections.
| Year | Result | Violations cited |
|---|---|---|
| 2025 | Noncompliant |
|
| 2024 | Noncompliant |
|
| 2023 | Noncompliant |
|
| 2022 | Noncompliant |
|
| 2021 | Noncompliant |
|
| 2020 | Compliant | — |
| 2019 | Compliant | — |
| 2018 | Noncompliant |
|
| 2017 | Noncompliant |
|
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
Franklin County reported 15 extraordinary or unusual incidents at its jail between 2019 and 2025 — 4.1 per 10,000 residents, the 61st highest rate of the 92 Illinois counties with a jail.
Among the 32 rural counties it is 18th; those counties report a median of 5. 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
Franklin CountyRural counties Every other county with a jail
Most frequent categories
- Restraints used6
- Hospitalization3
- Assault on staff2
- Serious injury1
- Fight among detainees1
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 Franklin County jail.
Illinois Answers withheld the names of some of the deceased at the request of their families.
Data compiled 2026-09-15. Methodology.