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 September 28, 2026.
Delaware County, Ohio, has about 238,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Delaware County is held at the county jail, run by the Delaware 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: Delaware County public records, Delaware County arrest records, Delaware County warrants, Delaware County criminal records, Delaware County court records, Ohio arrest records and Ohio inmate search.
Finding Someone in Custody in Delaware County
The county jail, run by the Delaware County Sheriff's Office, holds everyone kept in custody after an arrest in Delaware County, from every agency.
SearchSystems opened and checked the custody page of the Delaware County Sheriff's Office at sheriff.co.delaware.oh.us/jtlist (page title: Current Inmate Listing | Delaware County Jail | Sheriff), phone (740) 203-1550, which answered when SearchSystems opened it on September 28, 2026.
Someone booked recently shows on that page; someone cited and released at the scene, or held a few hours at a city station, does not.
The Delaware County Jail by the Numbers
On an average day in 2023 the jail held about 130 people, down from about 200 in 2019. Its rated capacity in 2023 was 286 beds, and it ran at 45 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Delaware County has about 238,000 residents (2024 Census Bureau estimate), so the jail holds about 5 people for every 10,000 residents.
Who Books People Into the Delaware County Jail
The Delaware County Sheriff's Office and the agencies that report for Delaware, Powell, Sunbury, Ashley, Ostrander and Shawnee Hills make the arrests that end in a booking in Delaware County.
The FBI's agency list also places one more agency in Delaware County: Preservation Parks of Delaware County (other agency).
The Westerville Police Department, the Dublin Police Department and the Columbus Police Department are each listed by the FBI across several counties including Delaware County, so their arrests are not broken out for Delaware County here.
The largest arrest counts reported to the FBI were Ostrander's 1,152 for 2025, Delaware's 650 for 2025 and the Delaware County Sheriff's Office's 624 for 2025.
Together, the six agencies in Delaware County with all twelve months of 2025 on file reported 2,580 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 Delaware 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 Delaware County serves the sentence in a facility of the Ohio Department of Rehabilitation and Correction, whose inmate locator is at appgateway.drc.ohio.gov/OffenderSearch.
Frequently Asked Questions
How do I find an inmate in Delaware County?
Look on the custody page of the Delaware County Sheriff's Office at sheriff.co.delaware.oh.us/jtlist, or call (740) 203-1550. It covers people booked into the county jail.
How many people are in the Delaware County jail?
About 130 on an average day in 2023, the latest year in the Vera Institute's jail data, against a rated capacity of 286 beds.
What is the phone number for the Delaware County jail?
(740) 203-1550, the number on the page of the Delaware County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Delaware County go?
To a facility of the Ohio Department of Rehabilitation and Correction; its inmate locator is at appgateway.drc.ohio.gov/OffenderSearch.
Is this the official Delaware 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.