Reviewed and updated October 10, 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 October 10, 2026.
Waterloo, Illinois, in Monroe County, has about 11,000 residents (2024 Census Bureau estimate). Its court cases are filed in the Circuit Court of Monroe 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 and common questions.
Related guides: Waterloo public records, Monroe County court records, Waterloo arrest records, Waterloo warrants, Waterloo inmate search, Waterloo criminal records, Illinois arrest records and Illinois inmate search.
The Courts That Hear Cases from Waterloo
Court cases from Waterloo are filed in the Circuit Court of Monroe County, which 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 Waterloo
For Monroe County, SearchSystems opened and checked the court records page for the county at monroecountyil.gov/departments/circuit-clerk (page title: Circuit Clerk | Monroe County, IL), phone 618-939-8681, 100 S. Main St., Waterloo, IL 62298, Monday - Friday 8:00 a.m. - 4:30 p.m., 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 Waterloo
Together, the two agencies in Monroe County with all twelve months of 2024 on file reported 117 arrests to the FBI that year; the State's Attorney decides which of those arrests become cases in the Circuit Court of Monroe County.
The State's Attorney's page SearchSystems verified is at monroecountyil.gov/departments/states-attorney (page title: State’s Attorney | Monroe County, IL), phone 618-939-8681, 100 S. Main St., Waterloo, IL 62298, Monday - Friday 8 a.m. - 4:30 p.m., which answered when SearchSystems opened it on September 23, 2026.
The Kinds of Court Files
The court file is one record with several readers: a criminal case from the arrest to the sentence, a divorce from the petition to the judgment, a traffic ticket from the citation to the conviction the court reports to the Illinois Secretary of State, and an eviction or a lien on land.
The other Waterloo guides take the kinds of file one at a time: Waterloo criminal records, Waterloo divorce records, Waterloo traffic tickets, Waterloo DUI and Waterloo property records.
Frequently Asked Questions
How do I look up a court case in Waterloo?
The court records page SearchSystems verified for the county is at monroecountyil.gov/departments/circuit-clerk, phone 618-939-8681.
Which court hears felonies in Waterloo?
The Circuit Court of Monroe County, which hears every civil, criminal, family, probate, traffic and juvenile case.
Who keeps the court records in Waterloo?
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 Waterloo website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.