Union County, Ohio Jail Roster

The Ohio Department of Rehabilitation and Correction Offender Search covers state prison inmates statewide, including Union County commitments. For county jail custody in Marysville, call the Union County Sheriff’s Office directly at (937) 645-4110. The Sheriff’s Office serves Union County’s roughly 58,000 residents and maintains custody records for the county jail.

Looking for someone booked tonight? See Union section 3 — If someone was booked tonight for phone-first contact info.

Searching the Union County jail roster

88 Ohio counties each maintain their own custody records — Union County’s state-prison lookup runs through the ODRC Offender Search, which covers inmates committed from Union County to state facilities. For county jail inmates held locally in Marysville, the Sheriff’s Office is the direct source. The ODRC search form accepts last name, first name, county of commitment, residential county, zip code, and status filters.

1. Go to the ODRC Offender Search.
2. Enter the last name in the Last Name field. Last name is the primary search key.
3. Add a first name to narrow results when the surname is common.
4. Set “County of Commitment” to Union to filter for Union County cases.
5. Set Status to “Incarcerated” to limit results to currently held individuals.
6. Review results. Each record shows name, ODRC number, and current status.

For county jail inmates not yet transferred to state custody, call the Union County Sheriff’s Office at (937) 645-4110. Jail staff can confirm whether a named individual is currently held at the county facility in Marysville.

What the roster does (and doesn’t) show

Booking lag is the most common reason a name doesn’t appear right away. After an arrest in Union County, processing and data entry take time before a record surfaces in any searchable system. A person booked overnight may not appear in the ODRC system until the following business day or later, and county jail records have their own update cycle separate from state databases.

The ODRC Offender Search covers only individuals sentenced to state prison — it does not display people held in the Union County jail on local charges, pretrial detainees, or individuals held on misdemeanor warrants. Juvenile records are not public. Cases sealed under Ohio Revised Code section 149.43 or expunged under Senate Bill 288 are removed from public view entirely. Federal detainees held in Union County would not appear in either the ODRC system or local jail records. The Union County Sheriff’s daily media releases publish recent arrest information and can supplement a roster search for recent bookings.

If you’re reading this because someone was just booked tonight, the section below is for you.

If someone was just booked tonight

Call the (937) 645-4110 — that’s the Union County Sheriff’s Office non-emergency line, and it’s the fastest way to confirm whether someone is in custody right now. That’s a hard thing to be doing at this hour. Jail staff can answer custody questions around the clock, not just during business hours.

Asking about bond tonight will get you a partial answer at best. Bond is set at a first court appearance, which follows booking — the Clerk of Courts portal at Union County Clerk of Courts public records search can show you whether a case has been filed and whether a hearing is scheduled. The Clerk’s office is open Monday through Friday, 8:30 a.m. to 4:00 p.m., so online is your option tonight. Phone lines there can run slow during peak hours, so the online portal is worth trying first.

Visitation tonight isn’t available. That’s the standard rule, not a Union County exception. Visitation scheduling typically opens the following day. Call the Sheriff’s Office in the morning to ask about current visitation hours and any ID requirements — bring a valid government-issued photo ID when you go. If a bondsman is needed, Union County publishes bond guidelines and licensed bondsmen information on the county site.

Tomorrow morning: check the Clerk’s portal for a scheduled first appearance, attend if one is posted, and consult an attorney if charges are serious. The Ohio Public Defender’s county locator can connect you with Union County’s public defender if private counsel isn’t an option. You can also search for a licensed Ohio attorney through the Ohio State Bar Association’s Find a Lawyer directory.

If someone isn’t on the Union County roster

• Released after booking: Ohio allows cite-and-release for minor offenses and signature release on recognizance bonds — the person may have been processed and released before the roster updated.
• Booking lag: The record may exist but not yet be visible; call the Sheriff’s Office to confirm current custody status.
• Transferred to state custody: Search the state prison inmate locator for individuals sentenced to ODRC facilities.
• Held in a neighboring county: Arrests by Ohio State Highway Patrol or on another county’s warrant may result in booking in Delaware, Logan, Marion, or Champaign County jails.
• Federal custody: Federal charges route to federal detention facilities not reflected in county or ODRC records.
• VINELink notification: Register at Vinelink to receive automated alerts if custody status changes.

Release after booking — cite-and-release or signature bond — is the most common explanation when a name simply isn’t there. Calling the Sheriff’s Office at (937) 645-4110 takes less than two minutes and resolves most of these scenarios directly.

For inmates in other counties or states

The Union County roster and ODRC search cover Ohio custody only. A nationwide records search may help surface custody records in other states or federal facilities that local portals never display — useful when you’re not certain which jurisdiction may be involved.

Sponsored: Nationwide Records Search (we may earn a commission at no extra cost to you).

This tool is not a consumer reporting agency under the FCRA and may not be used to screen anyone for employment, housing, credit, or any other purpose covered by that law.