Inside Illinois Jails

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LaSalle County


Its jail, located in Ottawa, has a capacity of 306.

LaSalle County has a population of 108,390 and is classified by the U.S. Department of Agriculture as “Nonmetro - Urban population of 20,000 or more, adjacent to a metro area”.

2inspections failed since 2017
90incidents reported 2019–2025
3deaths in custody
1death never counted by the state

Annual inspections

Between 2017 and 2025, the LaSalle County jail has failed two of nine Illinois Department of Corrections inspections.

YearResultViolations cited
2025Compliant
2024Compliant
2023Noncompliant
2022Compliant
2021Compliant
2020Noncompliant
2019Compliant
2018Compliant
2017Compliant

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

LaSalle County reported 90 extraordinary or unusual incidents at its jail between 2019 and 2025 — 8.3 per 10,000 residents, the 41st highest rate of the 92 Illinois counties with a jail.

Among the 24 non-metro counties with a small urban centre it is 16th; those counties report a median of 11.8. 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

LaSalle CountyNon-metro counties with a small urban centre Every other county with a jail

LaSalle 8.3020406080100
Each dot is one of the 92 Illinois counties with a jail, placed by its rate.

Most frequent categories

A single report can fall into more than one category.

Reported incidents by year

  • 20194
  • 20206
  • 20212
  • 202214
  • 20237
  • 202423
  • 202534

Deaths in custody

Between 2019 and 2025, 3 people died in custody of the LaSalle County sheriff. Of those, 1 was not counted in state oversight data.

Each death in the LaSalle County jail

Counted by the state Uncounted Additional details

Data compiled 2026-09-15. Methodology.