How should I search for my case by case number?
If you are not sure of the case number format when searching by case number, try the specific provided below. If you continue to have issues, contact the Cook County Circuit clerk’s office.
More information is available for case number formats for Illinois courts outside of Cook County.
| Cook County Court Locations | Case # Format | Examples |
| Cook County – Municipal Civil – Districts 1-6 |
4 Digit Year, District Number, 6 Digit Case Number
*Do not include the letter M
District 1 – Chicago: 20231000000 District 2 – Skokie: 20232000000 District 4 – Maywood: 202324000000 |
District 1 – Chicago: 20231712123 District 2 – Skokie: 20212004058 District 4 – Maywood: 20224005324 |
|
Cook County – Domestic Relations – Districts 1-6
Special rules for Domestic Violence cases, including Orders of Protection: |
4 Digit Year, D, 6 Digit Case Number
4 Digit Year, OP, 5 Digit Case Number |
|
| Cook County – Law – Districts 1-6 |
4 Digit Year, L, 6 Digit Case Number
2023L000000 |
District 5 – Bridgeview: 2023L065032 District 6 – Markham: 2023L066019 |
| Cook County – Probate – District 1 – Chicago |
4 Digit Year, P, 6 Digit Case Number
2023P000000 |
2023P000019 |
| Cook County – County Division - District 1 – Chicago |
4 Digit Year, CO, Two Additional Case Type Letters,[1] 6 Digit Case Number
2023COAD000000 or 2021CONC000000 |
|
| Cook County – Chancery – District 1 – Chicago |
4 Digit Year, CH, 5 Digit Case Number
2021CH00000 |
2023CH00145 |
| Cook County – Juvenile Justice/Child Protection |
2 Digit Year, JA or JD, 5 Digit Case Number
2023JA00000 2021JD00000 |
|
| Cook County – Criminal – District 1 – Criminal Department | 2 Digit Year, CR, 7 Digit Case Number | |
| Cook County – Criminal – District 1 – Criminal Division | 2 Digit Year, CR, 7 Digit Case Number | |
|
Cook County – Criminal – Districts 2-6
Special rules for Criminal Information:
Special rules for Criminal Misdemeanors:
Special rules for Criminal Contempt: |
2 Digit Year, CR, 7 Digit Case Number
2 Digit Year, C, District Number, 7 Digit Case Number
2 Digit Year, District Number, 8 Digit Case N umber
2 Digit Year, ACC, 4 or 6 Digit Case Number? |
|
| Outside of Cook County | See article on Illinois case numbers. | |
[1] For example, in adoption cases, the County Division case number consists of the 4 Digit Year, COAD, and the 6 Digit Case Number. Similarly, in name change cases, the County Division case number consists of the 4 Digit Year, CONC, and the 6 Digit Case Number.