Below you will find the various case number formats to be used when searching for cases in the Cook county.
Disclaimer.
The formats provided are for informational use only and can change based on court procedures. This is only a suggestion as to the most commonly used case format at that location. We do not guarantee your case will be found when using these formats. We are not responsible for filings rejected due to incorrect case number formatting.
Cook County - Chancery - District 1 - Chicago 2021CH00000 (4 Digit Year, Category Letters, 5 Digit Case Number)
Cook County - Municipal Civil - District 1 - Chicago - 20211000000 (4 Digit Year, Division Number, 6 Digit Case number)
Cook County - Municipal Civil - District 2 - Skokie - 20212000000 (4 Digit Year, Division Number, 6 Digit Case number)
Cook County - Municipal Civil - District 3 - Rolling Meadows - 20213000000 (4 Digit Year, Division Number, 6 Digit Case number)
Cook County - Municipal Civil - District 4 -Maywood - 20214000000 (4 Digit Year, Division Number, 6 Digit Case number)
Cook County - Municipal Civil - District 5 - Bridgeview - 20215000000 (4 Digit Year, Division Number, 6 Digit Case number)
Cook County - Municipal Civil - District 6 - Markham - 20216000000 (4 Digit Year, Division Number, 6 Digit Case number)
Note: The Municipal Civil Division does not use the M on the eFile website.
Cook County - County Division - District 1 - Chicago 2021COAD000000 or 2018CONC000000 (4 Digit Year, Category Letters, 6 Digit Case Number)
Cook County - Domestic Relations - District 1 - Chicago 2021D000000 (4 Digit Year, Category Letter, 6 Digit Case Number)
Cook County - Domestic Relations - District 2 - Skokie 2021D000000 (4 Digit Year, Category Letter, 6 Digit Case Number)
Cook County - Domestic Relations - District 3 - Rolling Meadows 2021D000000 (4 Digit Year, Category Letter, 6 Digit Case Number)
Cook County - Domestic Relations - District 4 - Maywood 2021D000000 (4 Digit Year, Category Letter, 6 Digit Case Number)
Cook County - Domestic Relations - District 5 - Bridgeview 2021D000000 (4 Digit Year, Category Letter, 6 Digit Case Number)
Cook County - Domestic Relations - District 6 - Markham 2021D000000 (4 Digit Year, Category Letter, 6 Digit Case Number)
Cook County - Domestic Violence - District 1 - Chicago 2021OP000000 (4 Digit Year, Category Letters, 5 Digit Case Number)
PLEASE NOTE: Domestic Violence Cases have been consolidated into the Domestic Relations locations using case format of 2021OP000000 (4 Digit Year, Category Letters, 5 Digit Case Number)
Cook County - Domestic Violence - District 2 - Skokie 2021OP000000 (4 Digit Year, Category Letters, 5 Digit Case Number)
Cook County - Law - District 1 - Chicago 2021L000000 (4 Digit Year, Category Letter, 6 Digit Case Number)
Cook County - Law - District 2 - Skokie 2021L000000 (4 Digit Year, Category Letter, 6 Digit Case Number)
Cook County - Law - District 3 - Rolling Meadows 2021L000000 (4 Digit Year, Category Letter, 6 Digit Case Number)
Cook County - Law - District 4 - Maywood 2021L000000 (4 Digit Year, Category Letter, 6 Digit Case Number)
Cook County - Law - District 5 - Bridgeview 2021L000000 (4 Digit Year, Category Letter, 6 Digit Case Number)
Cook County - Law - District 6 - Markham 2021L000000 (4 Digit Year, Category Letter, 6 Digit Case Number)
Cook County - Probate - District 1 - Chicago 2021P000000 (4 Digit Year, Category Letter, 6 Digit Case Number)