Back مقاطعة منتغامري (أوهايو) Arabic مونتقومری بؤلگهسی، اوهایو AZB Montgomery County, Ohio BAR Монтгомъри (окръг, Охайо) Bulgarian মন্টগোমেরী কাউন্টি, ওহাইও BPY Montgomery Gông (Ohio) CDO Montgomery County (kondado sa Tinipong Bansa, Ohio) CEB Montgomery County (Ohio) Czech Montgomery County, Ohio Welsh Montgomery County (Ohio) Danish
Montgomery County | |
|---|---|
 Current Montgomery County Courthouse | |
 Flag  Seal  Logo | |
 Location within the U.S. state of Ohio | |
 Ohio's location within the U.S. | |
| Coordinates: 39°45′N 84°17′W / 39.75°N 84.29°W | |
| Country |  United States |
| State |  Ohio |
| Founded | May 1, 1803[1] |
| Named for | Richard Montgomery |
| Seat | Dayton |
| Largest city | Dayton |
| Area | |
• Total | 464 sq mi (1,200 km2) |
| • Land | 462 sq mi (1,200 km2) |
| • Water | 2.8 sq mi (7 km2) 0.6% |
| Population (2020) | |
• Total | 537,309 |
• Estimate (2021) | 535,840  |
| • Density | 1,200/sq mi (450/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 10th |
| Website | www |
Montgomery County is in the southwestern part of the U.S. state of Ohio. At the 2020 census, the population was 537,309,[2] making it the fifth-most populous county in Ohio. The county seat is Dayton.[3] The county was named in honor of Richard Montgomery, an American Revolutionary War general, who was killed in 1775 while attempting to capture Quebec City, Canada.[4] Montgomery County is part of the Dayton, Ohio, Metropolitan Statistical Area.
- ^ "Ohio County Profiles: Montgomery County" (PDF). Ohio Department of Development. Archived from the original (PDF) on May 8, 2007. Retrieved April 28, 2007.
- ^ "State & County QuickFacts". United States Census Bureau. Retrieved June 29, 2022.
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
- ^ "Montgomery County data". Ohio State University Extension Data Center. Archived from the original on March 27, 2008. Retrieved April 28, 2007.