Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest and crime 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 9, 2026.
Waterloo, Illinois, in Monroe County, has about 11,000 residents (2024 Census Bureau estimate). A police report belongs to the agency whose officer wrote it, so which office holds a report from Waterloo depends on where the incident happened. This guide names each agency, where its records page is and what the Illinois Freedom of Information Act requires of it.
This guide covers which agency, the city's records page, the sheriff's reports, what the law requires and common questions.
Related guides: Waterloo public records, Monroe County police reports, Waterloo arrest records, Waterloo warrants, Waterloo inmate search, Waterloo property records, Illinois arrest records and Illinois inmate search.
Which Agency Holds a Report from Waterloo
A crime, incident or collision report belongs to the agency whose officer wrote it, and that agency releases it, not the court, the jail or the prosecutor.
Inside Waterloo that is the agency that reports to the FBI for the city (filed by the FBI as Waterloo Police Department); outside it, the Monroe County Sheriff's Office.
Reports from the Waterloo Police
For Waterloo, SearchSystems opened and checked the Waterloo police department's page at waterloopd.org/forms (page title: Forms | Waterloo Police Department), which answered when SearchSystems opened it on October 1, 2026.
The agency that reports for Waterloo reported 0 arrests for 2019.
Reports from the Monroe County Sheriff's Office
The Monroe County Sheriff's Office is the county agency; it had 3 violent and 7 property crimes reported for 2024 and reported 164 arrests for 2025.
Its reports come from its records unit. The office's page SearchSystems verified is its jail page, at monroecosheriffga.us/offender-search (page title: Offender Search | mcso-html), which answered when SearchSystems opened it on October 9, 2026.
What the Illinois Freedom of Information Act Requires
The Illinois Freedom of Information Act sets the rules: an answer within 5 business days, with one 5-day extension, at a charge of copying only after the first 50 pages, from the agency that holds the report.
A defendant who has been charged gets the report through the case: the State's Attorney, 618-939-8681, handles discovery for pending cases.
Frequently Asked Questions
How do I get a police report in Waterloo?
From the agency that took it. The Waterloo police department's page is at waterloopd.org/forms; the sheriff's reports come from the Monroe County Sheriff's Office.
How long does an agency in Waterloo have to answer?
Under the Illinois Freedom of Information Act, within 5 business days, with one 5-day extension. It may charge copying only after the first 50 pages.
How do I get a report from the Monroe County Sheriff's Office?
From its records unit. Under the Illinois Freedom of Information Act the answer is due within 5 business days, with one 5-day extension.
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.