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.
Plymouth, Michigan, in Wayne County, has about 9,200 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Plymouth is held at the county jail, run by the Wayne 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: Plymouth public records, Wayne County inmate search, Plymouth arrest records, Plymouth warrants, Plymouth criminal records, Plymouth court records, Michigan arrest records and Michigan inmate search.
Finding Someone in Custody in Plymouth
The county jail, run by the Wayne County Sheriff's Office, holds everyone kept in custody after an arrest in Plymouth, from every agency.
SearchSystems opened and checked the jail page of the Wayne County Sheriff's Office at misheriff.org/sheriffs-offices/wayne-county (page title: Wayne County | Michigan Sheriffs’ Association), phone (313) 833-0864, 5301 Russell St. Detroit, MI 48211, which answered when SearchSystems opened it on October 9, 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 (313) 833-0864.
The Wayne County Jail by the Numbers
On an average day in 2023 the jail held about 1,380 people, down from about 1,830 in 2019. Its rated capacity in 2023 was 1,585 beds, and it ran at 87 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Wayne County has about 1.8 million residents (2024 Census Bureau estimate), so the jail holds about 8 people for every 10,000 residents.
Who Books People Into the Wayne County Jail
The Wayne County Sheriff's Office and the agency that reports for Plymouth (filed by the FBI as Plymouth Police Department) make the arrests that end in a booking in and around Plymouth.
The FBI's agency list also places two other agencies, two campus police departments and one state police unit in Wayne County (the arrest records guide names each one).
The Northville Police Department is listed by the FBI across two counties including Wayne County, so its arrests are not broken out for Wayne County here.
The largest arrest counts reported to the FBI were Detroit's 11,464 for 2025, Westland's 2,516 for 2025 and Dearborn's 2,225 for 2025.
Together, the 40 agencies in Wayne County with all twelve months of 2025 on file reported 33,288 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 Plymouth 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 Wayne 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 Plymouth?
Ask the Wayne County Sheriff's Office at (313) 833-0864; its jail page SearchSystems verified is at misheriff.org/sheriffs-offices/wayne-county.
How many people are in the Wayne County jail?
About 1,380 on an average day in 2023, the latest year in the Vera Institute's jail data, against a rated capacity of 1,585 beds.
What is the phone number for the Wayne County jail?
(313) 833-0864, the number on the page of the Wayne County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Wayne 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 Plymouth website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.