Reviewed and updated October 9, 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 between September 23, 2026 and September 28, 2026.
DuPage County, Illinois, has about 937,000 residents (2024 Census Bureau estimate). Its court cases are filed in the Circuit Court of DuPage County, and the file of each case, kept by the Circuit Clerk, is the public record of it. This guide says which court hears what, where to look a case up and who keeps the files.
This guide covers the courts, the records page, criminal cases, kinds of files, cities and common questions.
Related guides: DuPage County public records, DuPage County arrest records, DuPage County warrants, DuPage County inmate search, DuPage County criminal records, Illinois arrest records and Illinois inmate search.
The Courts That Hear Cases from DuPage County
In DuPage County, the Circuit Court of DuPage County hears every civil, criminal, family, probate, traffic and juvenile case.
Divorces go to the Circuit Court's domestic relations division, and the file stays with the Circuit Clerk.
The Circuit Clerk keeps the files, and a copy of anything in a file comes from that office, under the court's own rules rather than the Illinois Freedom of Information Act.
Looking Up a Case from DuPage County
The court records page SearchSystems verified for the county is at dupagecircuitclerk.gov (page title: 18TH JUDICIAL CIRCUIT COURT CLERK DUPAGE COUNTY ILLINOIS), 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.
The Illinois court page SearchSystems verified is at illinoiscourts.gov.
What Reaches the Court from DuPage County
Together, the 27 agencies in DuPage County with all twelve months of 2025 on file reported 6,532 arrests to the FBI that year; the State's Attorney decides which of those arrests become cases in the Circuit Court of DuPage County.
The State's Attorney's page SearchSystems verified is at dupagecounty.gov/elected_officials/state_s_attorney (page title: State's Attorney | DuPage Co, IL), phone 630-407-8000, which answered when SearchSystems opened it on September 23, 2026.
The Kinds of Court Files
Criminal cases, divorces, traffic tickets and evictions all end up as files of these courts, and the file is what the public sees of each.
The other DuPage County guides take the kinds of file one at a time: DuPage County criminal records, DuPage County divorce records, DuPage County traffic tickets, DuPage County DUI and DuPage County property records.
Cities in DuPage County
Wherever in the county a case arises, it is filed in the Circuit Court of DuPage County.
SearchSystems has a guide to the offices of these cities in DuPage County, with the 2024 Census Bureau population; a city with its own court records guide opens there:
- Wheaton (53,741)
- Elmhurst (46,108)
- Bartlett (40,718)
- Carol Stream (39,556)
- Addison (35,728)
- Woodridge (34,103)
- Glen Ellyn (28,872)
- Westmont (24,308)
- Lisle (23,548)
- Villa Park (22,020)
- Darien (22,015)
- Bensenville (18,629)
- Hinsdale (17,598)
- Warrenville (15,247)
- Wood Dale (13,983)
- Burr Ridge (11,202)
- Itasca (9,506)
- Willowbrook (9,179)
- Clarendon Hills (8,703)
Frequently Asked Questions
How do I look up a court case in DuPage County?
The court records page SearchSystems verified for the county is at dupagecircuitclerk.gov.
Which court hears felonies in DuPage County?
The Circuit Court of DuPage County, which hears every civil, criminal, family, probate, traffic and juvenile case.
Who keeps the court records in DuPage County?
The Circuit Clerk. Copies come from that office under the court's own rules.
Is there a statewide court case search in Illinois?
No. Each court's records are looked up through that court.
Is this the official DuPage 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.