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 September 28, 2026.
Clarendon Hills, Illinois, in DuPage County, has about 8,700 residents (2024 Census Bureau estimate). A police report belongs to the agency whose officer wrote it, so which office holds a report from Clarendon Hills 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: Clarendon Hills public records, DuPage County police reports, Clarendon Hills arrest records, Clarendon Hills warrants, Clarendon Hills inmate search, Clarendon Hills criminal records, Illinois arrest records and Illinois inmate search.
Which Agency Holds a Report from Clarendon Hills
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 Clarendon Hills that is the agency that reports to the FBI for the city (filed by the FBI as Clarendon Hills Police Department); outside it, the DuPage County Sheriff's Office.
The FBI's agency list also places two other agencies and two campus police departments in DuPage County, each with a records office of its own.
The Hanover Park Police Department, the St. Charles Police Department, the Bolingbrook Police Department and two more are each listed by the FBI across several counties including DuPage County, so their arrests are not broken out for DuPage County here.
Reports from the Clarendon Hills Police
For Clarendon Hills, SearchSystems opened and checked the Clarendon Hills police records page at clarendonhills.us/FormCenter/Applications-Forms-5/Police-Report-Fre... (page title: Form Center, Obtain Police Report | Freedom of Information), phone 630-286-5400, which answered when SearchSystems opened it on September 26, 2026.
The agency that reports for Clarendon Hills had 4 violent and 39 property crimes reported for 2025 and reported 18 arrests for 2025.
Reports from the DuPage County Sheriff's Office
The DuPage County Sheriff's Office is the county agency; it had 37 violent and 277 property crimes reported for 2025 and reported 279 arrests for 2025.
Its reports come from its records unit. The office's page SearchSystems verified is its jail page, at dupagesheriff.org (page title: DuPage County Sheriff’s Office), which answered when SearchSystems opened it on September 28, 2026.
What the Illinois Freedom of Information Act Requires
Under the Illinois Freedom of Information Act the agency must answer a request within 5 business days, with one 5-day extension, and it may charge copying only after the first 50 pages. The request goes to the agency that holds the report, in writing, and does not have to say why the report is wanted.
A defendant who has been charged gets the report through the case: the State's Attorney, 630-407-8000, handles discovery for pending cases.
Frequently Asked Questions
How do I get a police report in Clarendon Hills?
From the agency that took it. The Clarendon Hills police records page is at clarendonhills.us, phone 630-286-5400; the sheriff's reports come from the DuPage County Sheriff's Office.
How long does an agency in Clarendon Hills 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 DuPage 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 Clarendon Hills 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.