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 September 30, 2026.
Juneau County, Wisconsin, has about 27,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Juneau County is held at the county jail, run by the Juneau 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: Juneau County public records, Juneau County arrest records, Juneau County warrants, Juneau County criminal records, Juneau County court records, Wisconsin arrest records and Wisconsin inmate search.
Finding Someone in Custody in Juneau County
A person kept in custody after an arrest in Juneau County is held at the county jail, run by the Juneau County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Juneau County Sheriff's Office at co.juneau.wi.gov/departments/sheriff_s_office/jail/index.php (page title: Juneau County, WI), phone 608-847-9419, 200 Oak St., Mauston, WI 53948, which answered when SearchSystems opened it on September 30, 2026.
That page is the office's jail information page rather than a roster, so a search for a particular person goes through the office at 608-847-9419.
The Juneau County Jail by the Numbers
On an average day in 2025 the jail held about 76 people, down from about 94 in 2019. Its rated capacity in 2025 was 152 beds, and it ran at 50 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Juneau County has about 27,000 residents (2024 Census Bureau estimate), so the jail holds about 29 people for every 10,000 residents.
Who Books People Into the Juneau County Jail
The Juneau County Sheriff's Office and the agencies that report for Mauston, New Lisbon, Elroy and Lyndon Station make the arrests that end in a booking in Juneau County.
The Wisconsin Dells Police Department is listed by the FBI across four counties including Juneau County, so its arrests are not broken out for Juneau County here.
The largest arrest counts reported to the FBI were the Juneau County Sheriff's Office's 614 for 2022, Mauston's 267 for 2025 and Elroy's 41 for 2020.
Together, the two agencies in Juneau County with all twelve months of 2025 on file reported 305 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 Juneau County arrest records.
From the Jail to State Prison
The jail holds people awaiting trial and people serving short sentences. A person sentenced to prison in Juneau County serves the sentence in a facility of the Wisconsin Department of Corrections, whose inmate locator is at appsdoc.wi.gov/lop/welcome.
Frequently Asked Questions
How do I find an inmate in Juneau County?
Ask the Juneau County Sheriff's Office at 608-847-9419; its jail page SearchSystems verified is at co.juneau.wi.gov.
How many people are in the Juneau County jail?
About 76 on an average day in 2025, the latest year in the Vera Institute's jail data, against a rated capacity of 152 beds.
What is the phone number for the Juneau County jail?
608-847-9419, the number on the page of the Juneau County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Juneau 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 Juneau 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.