Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones the agency reported to the FBI, through 2025. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site between September 23, 2026 and September 25, 2026.
Lockport, Illinois, in Will County, has about 27,000 residents (2024 Census Bureau estimate), and its arrests are reported to the FBI by an agency of its own. An arrest in the city leaves the same records whoever makes it: the arresting agency's report, the record of anyone held at the county jail, and, if the State's Attorney files charges, a case in the Circuit Court of Will County. This guide says who keeps each one, what it costs and who may see it, with the arrest counts the agency reported.
This guide covers who makes arrests, how many arrests, booking and the jail, finding an arrest, copies and common questions.
Related guides: Lockport public records, Will County arrest records, Illinois arrest records and Illinois inmate search.
Who Makes Arrests in Lockport
The FBI lists Lockport with an arrest reporting agency of its own, filed as Lockport Police Department. It reported 293 arrests for 2025. A city is listed separately whether the officers are the city's own or the sheriff's under contract; the FBI's list does not say which.
Outside the city, the Will County Sheriff's Office is the county agency. It reported 978 arrests for 2025.
The FBI's agency list also places these agencies in Will County: Governors State University, Joliet Junior College and Lewis University (campus police); Elgin, Joliet and Eastern Railway, Will County Forest Preserve and the Lockport Township Park District (other).
How Many Arrests Lockport Reports
Each agency reports its arrests to the FBI by month, and the FBI publishes them on the Crime Data Explorer. These are the full-year totals, all offenses, as the FBI held them on October 8, 2026; a year with months missing or not reported is left out.
- Lockport: 293 for 2025, 315 for 2024, 333 for 2023 and 349 for 2022.
Lockport's 293 arrests in 2025 were down 7 percent from 315 in 2024.
Through August 2026, Lockport reported 241 arrests, against 202 in the same months of 2025.
Across Will County, the 24 agencies with all twelve months of 2025 on file reported 7,010 arrests between them.
Booking: Where People Arrested in Lockport Are Held
A person kept in custody after an arrest in Lockport is held at the county jail, whichever agency made the arrest, apart from the short stay some city departments' own holding cells allow; a person cited and released at the scene is not booked at all. The jail's record of each person held, with the charges, is a public record of the arrest, and the court file takes over from there.
On an average day in 2021 the jail held about 600 people, down from about 690 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 909 beds, and it ran at 76 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
SearchSystems opened and checked the jail page of the Will County Sheriff's Office at willcosheriff.org/component/search/?searchword=Facility (page title: Search | WC Sheriff's Office), phone (815) 727-8575, 16911 W. Laraway Rd, Suite 101, Joliet, IL 60433, which answered when SearchSystems opened it on September 23, 2026.
A person sentenced to prison serves the sentence in a facility of the Illinois Department of Corrections, whose inmate locator is at idoc.illinois.gov/offender/inmatesearch.html.
How to Find Out About an Arrest in Lockport
An arrest in Lockport can be traced in two places, depending on where the case stands: the case index of the Circuit Court of Will County, which shows whether charges were filed and the next court date (the court records page SearchSystems verified is at circuitclerkofwillcounty.com/public-access); the State's Attorney, which decides whether an arrest becomes a charge (its page is at willcountysao.com).
Illinois is one of the states that lets anyone look up another person's statewide criminal history: conviction information is public under the Uniform Conviction Information Act, through the Illinois State Police. That record shows what agencies reported to the state, which is wider than one county's court index but can lag it.
Getting a Copy of an Arrest Record in Lockport
The report of an arrest is released by the agency that made it; the jail and the court hold their own records of the same event, but not the report. Under the Illinois Freedom of Information Act the agency must answer within 5 business days, with one 5-day extension, and it may charge copying only after the first 50 pages.
- An arrest by the Lockport police: the police department's page SearchSystems verified at cityoflockport.net/577/Freedom-of-Information-Act (page title: Freedom of Information Act | Lockport, IL), phone 815-838-2132, which answered when SearchSystems opened it on September 25, 2026.
- An arrest by the Will County Sheriff's Office: ask its records unit, reached through the office at (815) 727-8575.
- A defendant who has been charged gets the report through the case: the State's Attorney handles discovery for pending cases.
- The court file of a case that was filed: the Circuit Court of Will County, through the court records page at circuitclerkofwillcounty.com/public-access.
- Any county record that is not posted: the county records request page SearchSystems verified is at willcountyclerk.gov (page title: Will County, IL Elections).
- Your own statewide record: a name-based or fingerprint-based request to the Illinois State Police.
The Will County guide covers every agency in the county: Will County arrest records.
Frequently Asked Questions
How many arrests are made in Lockport each year?
Lockport reported 293 arrests to the FBI for 2025, its latest full year.
How do I find out if someone is in jail in Lockport?
Ask the Will County Sheriff's Office at (815) 727-8575; its jail page SearchSystems verified is at willcosheriff.org.
Where are people arrested in Lockport booked?
Those kept in custody go to the county jail, run by the Will County Sheriff's Office; a person cited and released at the scene is not booked.
Are arrest records public in Lockport?
The court files of criminal cases are public, and so is the statewide criminal history kept by the Illinois State Police: conviction information is public under the Uniform Conviction Information Act. The arrest report itself is released by the agency that made the arrest, under the Illinois Freedom of Information Act.
How do I get a copy of an arrest report in Lockport?
From the agency that made the arrest: the Lockport police for its own arrests, the Will County Sheriff's Office for the sheriff's. Under the Illinois Freedom of Information Act the answer is due within 5 business days, with one 5-day extension; the county records request page SearchSystems verified is at willcountyclerk.gov.
Is this the official Lockport 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.