Reviewed and updated October 9, 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. 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 October 2, 2026.
Rock County, Minnesota, has about 9,500 residents (2024 Census Bureau estimate), and arrests there are reported to the FBI by the Rock County Sheriff's Office. An arrest leaves the same records whoever makes it: the arresting agency's report, the record of anyone held at the county jail, and, if the County Attorney files charges, a case in the Rock County District Court. This guide says who keeps each one, what it costs and who may see it, with the arrest counts each agency reported.
This guide covers who makes arrests, how many arrests, booking and the jail, finding an arrest, copies, cities and common questions.
Related guides: Rock County public records, Minnesota arrest records, Minnesota inmate search and Minnesota criminal records.
Who Makes Arrests in Rock County
The Rock County Sheriff's Office is the county agency that reports arrests to the FBI for Rock County. It reported 55 arrests for 2025.
How Many Arrests The Rock County Sheriff's Office Reports
The FBI publishes every agency's monthly arrest counts 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.
- Rock County Sheriff's Office: 55 for 2025, 31 for 2024, 31 for 2023, 39 for 2022, 40 for 2021 and 64 for 2020.
Through June 2026, Rock County Sheriff's Office reported 12 arrests, against 36 in the same months of 2025.
Booking: Where People Arrested in Rock County Are Held
A person kept in custody after an arrest in Rock County 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 9 people, down from about 19 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 24 beds, and it ran at 80 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 Rock County Sheriff's Office at co.rock.mn.us/department_directory/sheriff_office/index.php (page title: Rock County, Minnesota), phone 507-283-5000, 1000 N. Blue Mound Ave; Luverne, MN 56156, Monday - Friday 8:00AM - 4:30PM, which answered when SearchSystems opened it on September 23, 2026.
How to Find Out About an Arrest in Rock County
An arrest in Rock County can be traced in two places, depending on where the case stands: Minnesota Court Records Online, the Minnesota Judicial Branch's free statewide case search, which shows whether charges were filed; the County Attorney, which decides whether an arrest becomes a charge (its page is at co.rock.mn.us/department_directory/county_attorney.php, phone 507-283-9111).
Minnesota is one of the states that lets anyone look up another person's statewide criminal history: the public criminal history search online is free and shows 15 years of convictions, through the Minnesota Bureau of Criminal Apprehension. 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 Rock County
An arrest report belongs to the agency whose officer wrote it, and that agency releases it, not the court or the jail. Under the Minnesota Government Data Practices Act the agency must answer promptly, within a reasonable time, and it may charge copying, and staff time for requests over 100 pages.
- An arrest by the Rock County Sheriff's Office: ask its records unit, reached through the office at 507-283-5000.
- A defendant who has been charged gets the report through the case: the County Attorney, 507-283-9111, handles discovery for pending cases.
- Your own statewide record: a request to the Bureau of Criminal Apprehension.
Cities in Rock County: Who Reports the Arrests
The FBI lists no city in Rock County with an arrest reporting agency of its own; the counts above are the county agencies'.
Wherever in the county the arrest happens, a person kept in custody goes to the county jail and the case goes to the Rock County District Court.
Frequently Asked Questions
How many arrests are made in Rock County each year?
The Rock County Sheriff's Office reported 55 arrests to the FBI for 2025, its latest full year.
How do I find out if someone is in jail in Rock County?
Ask the Rock County Sheriff's Office at 507-283-5000; its jail page SearchSystems verified is at co.rock.mn.us.
Where are people arrested in Rock County booked?
Those kept in custody go to the county jail, run by the Rock County Sheriff's Office; a person cited and released at the scene is not booked.
Are arrest records public in Rock County?
The court files of criminal cases are public, and so is the statewide criminal history kept by the Minnesota Bureau of Criminal Apprehension: the public criminal history search online is free and shows 15 years of convictions. The arrest report itself is released by the agency that made the arrest, under the Minnesota Government Data Practices Act.
How do I get a copy of an arrest report in Rock County?
From the agency that made the arrest: the Rock County Sheriff's Office for its own arrests, or the agency that reports for the city where it happened. Under the Minnesota Government Data Practices Act the answer is due promptly, within a reasonable time.
Is this the official Rock County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.