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 4, 2026.
Jo Daviess County, Illinois, has about 22,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Jo Daviess County is held at the county jail, run by the Jo Daviess 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: Jo Daviess County public records, Jo Daviess County arrest records, Jo Daviess County warrants, Jo Daviess County criminal records, Jo Daviess County court records, Illinois arrest records and Illinois inmate search.
Finding Someone in Custody in Jo Daviess County
The county jail, run by the Jo Daviess County Sheriff's Office, holds everyone kept in custody after an arrest in Jo Daviess County, from every agency.
SearchSystems opened and checked the jail page of the Jo Daviess County Sheriff's Office at jodaviesscountyil.gov/1254/Sheriff (page title: Sheriff | Jo Daviess County, IL), phone 815-777-2141, 330 North Bench Street Public Safety Building Galena, IL 61036, which answered when SearchSystems opened it on October 4, 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 815-777-2141.
The Jo Daviess County Jail by the Numbers
On an average day in 2019 the jail held about 9 people. Its rated capacity in 2019 was 22 beds, and it ran at 41 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Jo Daviess County has about 22,000 residents (2024 Census Bureau estimate), so the jail holds about 4 people for every 10,000 residents.
Who Books People Into the Jo Daviess County Jail
The Jo Daviess County Sheriff's Office and the agencies that report for Galena, Stockton, East Dubuque, Warren, Hanover, Elizabeth and one more cities make the arrests that end in a booking in Jo Daviess County.
The largest arrest counts reported to the FBI were Apple River's 1,152 for 2025, the Jo Daviess County Sheriff's Office's 149 for 2025 and Stockton's 20 for 2025.
Together, the five agencies in Jo Daviess County with all twelve months of 2025 on file reported 1,328 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 Jo Daviess 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 Jo Daviess County serves the sentence in a facility of the Illinois Department of Corrections, whose inmate locator is at idoc.illinois.gov/offender/inmatesearch.html.
Frequently Asked Questions
How do I find an inmate in Jo Daviess County?
Ask the Jo Daviess County Sheriff's Office at 815-777-2141; its jail page SearchSystems verified is at jodaviesscountyil.gov/1254/Sheriff.
How many people are in the Jo Daviess County jail?
About 9 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 22 beds.
What is the phone number for the Jo Daviess County jail?
815-777-2141, the number on the page of the Jo Daviess County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Jo Daviess County go?
To a facility of the Illinois Department of Corrections; its inmate locator is at idoc.illinois.gov/offender/inmatesearch.html.
Is this the official Jo Daviess 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.