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 2, 2026.
Sycamore, Illinois, in DeKalb County, has about 19,000 residents (2024 Census Bureau estimate). A police report belongs to the agency whose officer wrote it, so which office holds a report from Sycamore 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: Sycamore public records, DeKalb County police reports, Sycamore arrest records, Sycamore warrants, Sycamore inmate search, Sycamore criminal records, Illinois arrest records and Illinois inmate search.
Which Agency Holds a Report from Sycamore
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 Sycamore that is the agency that reports to the FBI for the city (filed by the FBI as Sycamore Police Department); outside it, the DeKalb County Sheriff's Office.
The FBI's list also carries Northern Illinois University (campus police), with a records office of its own.
The Maple Park Police Department is listed by the FBI across two counties including DeKalb County, so its arrests are not broken out for DeKalb County here.
Reports from the Sycamore Police
For Sycamore, SearchSystems opened and checked the Sycamore police department's page at cityofsycamore.com/175/Sycamore-Police-Department (page title: Sycamore Police Department | Sycamore, IL), phone (815) 895-3435, 535 DeKalb Avenue Sycamore, IL 60178, which answered when SearchSystems opened it on September 25, 2026.
The agency that reports for Sycamore had 9 violent and 157 property crimes reported for 2025 and reported 301 arrests for 2025.
Reports from the DeKalb County Sheriff's Office
The DeKalb County Sheriff's Office is the county agency; it had 28 violent and 98 property crimes reported for 2025 and reported 341 arrests for 2025.
Its reports come from its records unit. The office's page SearchSystems verified is its custody page, at dekalbsheriff.com (page title: DeKalb County Jail, IN Inmate Roster, Booking, Arrests, Warrants), a site that blocks automated checks (HTTP 403), so open it in a browser.
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.
Any other county record goes through the county records request page SearchSystems verified, at dekalbcounty.org/services/forms-publications/freedom-of-information... (page title: Request for Public Records -- Freedom of Information Act (FOIA)).
A defendant who has been charged gets the report through the case: the State's Attorney, 815-895-7164, handles discovery for pending cases.
Frequently Asked Questions
How do I get a police report in Sycamore?
From the agency that took it. The Sycamore police department's page is at cityofsycamore.com, phone (815) 895-3435; the sheriff's reports come from the DeKalb County Sheriff's Office.
How long does an agency in Sycamore 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 DeKalb 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 Sycamore 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.