Sangamon County, Illinois sentencing data
As of June 30, 2026, according to Illinois Department of Corrections records, 590 people sentenced in Sangamon County were held in Illinois state prisons. Their median sentence is 10 years, about the same as the statewide median of 10 years. 30% are serving 20 years or more, compared with 33% statewide. The most common offense is murder/intent to kill/injure.
Sentences by offense: Sangamon 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 | Sangamon median (yrs) | Illinois median (yrs) |
|---|---|---|---|
| Murder/Intent To Kill/Injure | 57 | 40 | 40 |
| Armed Habitual Criminal | 29 | 6.5 | 8 |
| Uuw-Felon Poss/Use Firearm Prior | 28 | 7 | 6 |
| Pred Crim Sex Asslaut/Victim <13 | 23 | 14 | 14 |
| Agg Battery/Discharge Firearm | 20 | 13 | 12 |
| Murder/Other Forcible Felony | 15 | 30 | 35 |
| Murder/Strong Prob Kill/Injure | 15 | 30 | 40 |
| Vio Order/Prior Vio Of Order | 12 | 2 | 2 |
| Murder/2Nd Degree/Unreason | 12 | 20 | 20 |
| Crim Sex Assault/Force | 10 | 7.5 | 8 |
Race
| Group | People | Share |
|---|---|---|
| Black | 368 | 62% |
| White | 207 | 35% |
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 Sangamon 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.