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.
Madison County, New York, has about 67,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Madison County is held at the county jail, run by the Madison 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: Madison County public records, Madison County arrest records, Madison County warrants, Madison County criminal records, Madison County court records, New York arrest records and New York inmate search.
Finding Someone in Custody in Madison County
A person kept in custody after an arrest in Madison County is held at the county jail, run by the Madison County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Madison County Sheriff's Office at madisoncounty.ny.gov/3010/Sheriff (page title: Sheriff | Madison County, NY), phone 315-366-2482, 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 315-366-2482.
The Madison County Jail by the Numbers
So far in 2026 the jail has held about 59 people on an average day, down from about 89 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 126 beds, and it ran at 71 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Madison County has about 67,000 residents (2024 Census Bureau estimate), so the jail holds about 9 people for every 10,000 residents.
Who Books People Into the Madison County Jail
The Madison County Sheriff's Office and the agencies that report for Oneida, Chittenango, Canastota, Hamilton and Cazenovia make the arrests that end in a booking in Madison County.
The FBI's agency list also places one more agency in Madison County: the Morrisville State University of New York Police (campus police).
The largest arrest counts reported to the FBI were Oneida's 536 for 2025, the Madison County Sheriff's Office's 324 for 2025 and Canastota's 62 for 2025.
Together, the six agencies in Madison County with all twelve months of 2025 on file reported 959 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 Madison 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 Madison County serves the sentence in a facility of the New York State Department of Corrections and Community Supervision, whose inmate locator is at nysdoccslookup.doccs.ny.gov.
Frequently Asked Questions
How do I find an inmate in Madison County?
Ask the Madison County Sheriff's Office at 315-366-2482; its jail page SearchSystems verified is at madisoncounty.ny.gov/3010/Sheriff.
How many people are in the Madison County jail?
About 59 on an average day so far in 2026, against a rated capacity of 126 beds.
What is the phone number for the Madison County jail?
315-366-2482, the number on the page of the Madison County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Madison County go?
To a facility of the New York State Department of Corrections and Community Supervision; its inmate locator is at nysdoccslookup.doccs.ny.gov.
Is this the official Madison 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.