Reviewed and updated October 7, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. Every office link was opened and checked against the office's own site on September 23, 2026.
Cook County, Illinois, has about 5.2 million residents (2024 Census Bureau estimate). A traffic ticket written in Cook County is a court case in the Circuit Court of Cook County, and the conviction it ends in goes on the driving record kept by the Illinois Secretary of State. This guide says which court takes the ticket, who writes them and where the driving record lives.
This guide covers where tickets go, who writes them, the driving record, cities and common questions.
Related guides: Cook County public records, Cook County warrants, Cook County inmate search, Cook County criminal records, Cook County court records, Illinois arrest records and Illinois inmate search.
Where a Ticket Written in Cook County Goes
A traffic ticket written in Cook County is answered in the Circuit Court of Cook County. The ticket itself is a court case, and the court's index is the record of it.
The court records page SearchSystems verified for the county is at cookcountyil.gov/service/court-records-and-archives (page title: Court Records and Archives), which answered when SearchSystems opened it on September 23, 2026.
Illinois has no single public index of every trial court case; each court's records are looked up through that court.
Who Writes the Tickets in Cook County
The Cook County Sheriff's Office and the agencies that report for Chicago, Cicero, Schaumburg, Evanston, Arlington Heights, Palatine and 112 more cities write the traffic tickets in Cook County.
The FBI's agency list also places these agencies in Cook County: the University of Illinois at Chicago, Chicago State University, Northeastern Illinois University, Oakton Community College and ten more (campus police); Canadian Pacific Railway, the Metra Police Department, the Chicago Heights Park District, Chicago Fire Department Arson Investigations and 11 more (other agency).
The Elgin Police Department, the Buffalo Grove Police Department, the Deerfield Police Department and eight more are each listed by the FBI across several counties including Cook County, so their arrests are not broken out for Cook County here.
The Driving Record and the Illinois Secretary of State
Convictions are reported by the court to the Illinois Secretary of State, which keeps the driving record and decides on points and suspensions. Order the driving record from that agency, not from the court.
Paying a ticket is a conviction, reported to the Illinois Secretary of State like any other; contesting it means a plea of not guilty entered with the court by the date on the ticket.
A DUI is a criminal charge rather than a ticket, with its own license case before the Secretary of State (see Cook County DUI).
Cities in Cook County
Wherever in the county a ticket is written, it is answered in the Circuit Court of Cook County.
SearchSystems has a guide to the offices of these cities in Cook County, with the 2024 Census Bureau population:
- Chicago (2,721,308)
- Evanston (76,006)
- Arlington Heights (75,596)
- Palatine (65,951)
- Des Plaines (58,832)
- Orland Park (58,020)
- Oak Lawn (56,531)
- Mount Prospect (55,460)
- Berwyn (55,152)
- Tinley Park (54,856)
- Hoffman Estates (50,920)
- Park Ridge (38,445)
- Streamwood (38,360)
- Wheeling (38,329)
- Hanover Park (36,685)
- Calumet City (34,855)
- Northbrook (34,546)
- Niles (29,918)
- Burbank (28,606)
- Lansing (28,107)
- Wilmette (27,443)
- Oak Forest (26,813)
- Chicago Heights (26,533)
- Morton Grove (24,467)
- Elmwood Park (23,698)
- Blue Island (21,805)
- Park Forest (21,016)
- Dolton (20,697)
- Evergreen Park (19,301)
- Brookfield (18,885)
- Matteson (18,566)
- Alsip (18,486)
- Lemont (18,203)
- Bellwood (18,132)
- Franklin Park (18,110)
- Palos Hills (18,026)
- Bridgeview (16,559)
- Westchester (16,313)
- Country Club Hills (16,238)
- Prospect Heights (15,566)
Frequently Asked Questions
Where do I pay a traffic ticket from Cook County?
With the Circuit Court of Cook County, whose page SearchSystems verified is at cookcountyil.gov.
Who keeps my driving record in Illinois?
The Illinois Secretary of State. The court reports each conviction to it, and paying a ticket counts as one.
Which court handles traffic tickets in Cook County?
The Circuit Court of Cook County, which hears every civil, criminal, family, probate, traffic and juvenile case.
Is this the official Cook County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.