Facility record / Ohio

Montgomery County Jail

Montgomery County Jail is a county or city jail in Dayton, Montgomery County, Ohio. It has a rated capacity of 900 and a reported population of 874 — about 97% occupancy, as recorded in the February 2026 federal dataset. By capacity it is the 4th-largest of the 69 county or city jail records listed for Ohio with a published capacity. It is one of 5 correctional facilities in Montgomery County.

Jail411 does not hold custody records. A listing here does not mean anyone is held at this address. Confirm the person’s location with the responsible agency before you travel, send money, or pay for a service.

Where this record came from. The contact, status and security fields, with capacity and population, come from the HIFLD and Federal Bureau of Prisons directory release refreshed February 2026. They describe the record, not today’s population. Check the facility’s current official website.

Contact this facility

Phone
(937) 496-3060
Address
330 W 2Nd St.
Dayton, OH 45422
Open in maps
Official page
Official page at mcohiosheriff.org
County
Montgomery County

Facility details

Capacity

97%of what it was designed to hold
874 people in a facility designed for 900
designed for 900actually holds 874

As of the February 2026 federal dataset.

TypeCounty or city jail
Directory statusOpen

Listed as open in the February 2026 directory release.

Finding someone held here

Use the county system for a recent arrest. A state corrections search covers people in state custody. It generally will not list someone booked into a county jail this week. Bookings, bail, release, and visiting are all handled by Montgomery County Sheriff’s Office.

Official site for this facility →
Call this facility directly: (937) 496-3060

Before you travel, pay, or mail anything

Get two things first: which facility the person is actually in, and their booking or ID number. Almost nothing works without them. Then check this facility’s current instructions — rules and service providers change.

Other facilities in Montgomery County

FacilityCityTypeSecurity
Dayton Correctional Institution Dayton State prison Close
Monday Community Correctional Institution Dayton Community corrections / work release Minimum
Montgomery County Center For Adolescent Services New Lebanon County or city jail Juvenile
Montgomery County Juvenile Justice Center Dayton Juvenile facility Juvenile