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.
Clinton County, New York, has about 78,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Clinton County is held at the county jail, run by the Clinton 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: Clinton County public records, Clinton County arrest records, Clinton County warrants, Clinton County criminal records, Clinton County court records, New York arrest records and New York inmate search.
Finding Someone in Custody in Clinton County
A person kept in custody after an arrest in Clinton County is held at the county jail, run by the Clinton County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Clinton County Sheriff's Office at clintoncountyny.gov/sheriff (page title: Clinton County Sheriff's Office | Clinton County New York), phone 518.565.4300, 25 McCarthy Drive Plattsburgh, NY 12901, 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 518.565.4300.
The Clinton County Jail by the Numbers
So far in 2026 the jail has held about 130 people on an average day, down from about 170 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 271 beds, and it ran at 64 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Clinton County has about 78,000 residents (2024 Census Bureau estimate), so the jail holds about 17 people for every 10,000 residents.
Who Books People Into the Clinton County Jail
The Clinton County Sheriff's Office and the agency that reports for Plattsburgh make the arrests that end in a booking in Clinton County.
The FBI's agency list also places one more agency in Clinton County: the Plattsburgh State University of New York Police (campus police).
The largest arrest counts reported to the FBI were Plattsburgh's 647 for 2025 and the Clinton County Sheriff's Office's 318 for 2025.
Together, the two agencies in Clinton County with all twelve months of 2025 on file reported 965 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 Clinton 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 Clinton 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 Clinton County?
Ask the Clinton County Sheriff's Office at 518.565.4300; its jail page SearchSystems verified is at clintoncountyny.gov/sheriff.
How many people are in the Clinton County jail?
About 130 on an average day so far in 2026, against a rated capacity of 271 beds.
What is the phone number for the Clinton County jail?
518.565.4300, the number on the page of the Clinton County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Clinton 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 Clinton 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.