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 9, 2026.
Monroe County, Wisconsin, has about 46,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Monroe County is held at the county jail, run by the Monroe County Sheriff's Office, and the jail's record of each person held is a public record. This guide says where to look for someone in custody, what the jail holds and who books people into it.
This guide covers the search, the jail, who books people, state prison and common questions.
Related guides: Monroe County public records, Monroe County arrest records, Monroe County warrants, Monroe County criminal records, Monroe County court records, Wisconsin arrest records and Wisconsin inmate search.
Finding Someone in Custody in Monroe County
The county jail, run by the Monroe County Sheriff's Office, holds everyone kept in custody after an arrest in Monroe County, from every agency.
SearchSystems opened and checked the jail page of the Monroe County Sheriff's Office at monroecosheriffga.us/offender-search (page title: Offender Search | mcso-html), which answered when SearchSystems opened it on October 9, 2026.
That page is the office's jail information page rather than a roster.
The Monroe County Jail by the Numbers
On an average day in 2025 the jail held about 100 people, down from about 110 in 2019. Its rated capacity in 2025 was 180 beds, and it ran at 58 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Monroe County has about 46,000 residents (2024 Census Bureau estimate), so the jail holds about 22 people for every 10,000 residents.
Who Books People Into the Monroe County Jail
The Monroe County Sheriff's Office and the agencies that report for Sparta, Tomah, Cashton, Norwalk, Wilton and Kendall make the arrests that end in a booking in Monroe County.
The largest arrest counts reported to the FBI were Kendall's 1,159 for 2025, Sparta's 900 for 2022 and Tomah's 724 for 2025.
Together, the five agencies in Monroe County with all twelve months of 2023 on file reported 2,703 arrests to the FBI that year. Those kept in custody were booked into the county jail; a person cited and released at the scene was not.
The counts, agency by agency and year by year, are in Monroe County arrest records.
From the Jail to State Prison
A sentence of more than a year is served in state prison, not the jail; the Wisconsin Department of Corrections lists its inmates at appsdoc.wi.gov/lop/welcome.
Frequently Asked Questions
How do I find an inmate in Monroe County?
Ask the Monroe County Sheriff's Office; its jail page SearchSystems verified is at monroecosheriffga.us/offender-search.
How many people are in the Monroe County jail?
About 100 on an average day in 2025, the latest year in the Vera Institute's jail data, against a rated capacity of 180 beds.
Where do people sentenced to prison in Monroe County go?
To a facility of the Wisconsin Department of Corrections; its inmate locator is at appsdoc.wi.gov/lop/welcome.
Is this the official Monroe 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.