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.
Eaton County, Michigan, has about 109,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Eaton County is held at the county jail, run by the Eaton 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: Eaton County public records, Eaton County arrest records, Eaton County warrants, Eaton County criminal records, Eaton County court records, Michigan arrest records and Michigan inmate search.
Finding Someone in Custody in Eaton County
The county jail, run by the Eaton County Sheriff's Office, holds everyone kept in custody after an arrest in Eaton County, from every agency.
SearchSystems opened and checked the jail page of the Eaton County Sheriff's Office at eatoncounty.org/356/Office-of-the-Sheriff (page title: Office of the Sheriff | Eaton County, MI), phone 517-543-3512, 1025 Independence Boulevard Charlotte, MI 48813, which answered when SearchSystems opened it on September 23, 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 517-543-3512.
The Eaton County Jail by the Numbers
On an average day in 2020 the jail held about 180 people, down from about 220 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 374 beds, and it ran at 59 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Eaton County has about 109,000 residents (2024 Census Bureau estimate), so the jail holds about 16 people for every 10,000 residents.
Who Books People Into the Eaton County Jail
The Eaton County Sheriff's Office and the agencies that report for Charlotte, Grand Ledge, Eaton Rapids, Potterville, Olivet and Bellevue make the arrests that end in a booking in Eaton County.
The FBI's agency list also places one more agency in Eaton County: the Eaton County State Police (state police).
The Lansing Police Department is listed by the FBI across three counties including Eaton County, so its arrests are not broken out for Eaton County here.
The largest arrest counts reported to the FBI were the Eaton County Sheriff's Office's 812 for 2025, Eaton Rapids's 109 for 2025 and Grand Ledge's 99 for 2025.
Together, the five agencies in Eaton County with all twelve months of 2025 on file reported 1,088 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 Eaton 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 Eaton County serves the sentence in a facility of the Michigan Department of Corrections, whose inmate locator is at mdocweb.state.mi.us/otis2.
Frequently Asked Questions
How do I find an inmate in Eaton County?
Ask the Eaton County Sheriff's Office at 517-543-3512; its jail page SearchSystems verified is at eatoncounty.org/356/Office-of-the-Sheriff.
How many people are in the Eaton County jail?
About 180 on an average day in 2020, the latest year in the Vera Institute's jail data, against a rated capacity of 374 beds.
What is the phone number for the Eaton County jail?
517-543-3512, the number on the page of the Eaton County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Eaton County go?
To a facility of the Michigan Department of Corrections; its inmate locator is at mdocweb.state.mi.us/otis2.
Is this the official Eaton 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.