Lake County, Illinois sentencing data
As of June 30, 2026, according to Illinois Department of Corrections records, 876 people sentenced in Lake County were held in Illinois state prisons. Their median sentence is 10 years, about the same as the statewide median of 10 years. 32% are serving 20 years or more, compared with 33% statewide. The most common offense is murder/intent to kill/injure.
Sentences by offense: Lake County vs. Illinois
Offenses with 10+ people. Median of the longest sentence from each person's most recent sentencing; life and death sentences not included.
| Offense | People | Lake median (yrs) | Illinois median (yrs) |
|---|---|---|---|
| Murder/Intent To Kill/Injure | 86 | 45 | 40 |
| Uuw-Felon Poss/Use Firearm Prior | 54 | 7.5 | 6 |
| Murder/Strong Prob Kill/Injure | 48 | 39.5 | 40 |
| Pred Crim Sex Asslaut/Victim <13 | 47 | 16 | 14 |
| Predatory Criminal Sexual Assault | 34 | 19 | 18 |
| Possess 15<100 Grams Cocaine | 21 | 6 | 6 |
| Attempt Murder/Intent To Kill/Injure | 18 | 25.5 | 25 |
| Armed Robbery/No Firearm | 18 | 17.5 | 12 |
| Agg Battery/Discharge Firearm | 17 | 15 | 12 |
| Armed Habitual Criminal | 16 | 17.5 | 8 |
| Agg Dui/Death Of Another | 14 | 8 | 9 |
| Agg Domestic Battery/Strangle | 12 | 4.5 | 4.5 |
Race
| Group | People | Share |
|---|---|---|
| Black | 418 | 48% |
| Hispanic | 251 | 29% |
| White | 195 | 22% |
Groups with fewer than 10 people are not shown.
Other Illinois counties
About this data
Source: Illinois Department of Corrections public inmate records. People currently in state prison custody whose longest sentence was imposed in Lake County, one record per person, using the longest sentence from their most recent sentencing. Criminal history is not in the data, so differences between counties can reflect prior records as well as sentencing practice.