Shelby County | |
|---|---|
 Shelby County Courthouse | |
 Flag  Seal | |
 Location within the U.S. state of Ohio | |
 Ohio's location within the U.S. | |
| Coordinates: 40°20′N 84°12′W / 40.33°N 84.2°W | |
| Country |  United States |
| State |  Ohio |
| Founded | April 1, 1819[1] |
| Named for | Isaac Shelby |
| Seat | Sidney |
| Largest city | Sidney |
| Area | |
| • Total | 411 sq mi (1,060 km2) |
| • Land | 408 sq mi (1,060 km2) |
| • Water | 3.0 sq mi (8 km2) 0.7% |
| Population (2020) | |
| • Total | 48,230  |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional districts | 4th, 15th |
| Website | co |
Shelby County is a county in the western portion of the U.S. state of Ohio. As of the 2020 United States Census, the population was 48,230.[2] Its county seat is Sidney.[3] Its name honors Isaac Shelby, first governor of Kentucky.[4] Shelby County comprises the Sidney, OH Micropolitan Statistical Area, which is also included in the Dayton–Springfield–Sidney, OH Combined Statistical Area.
- ^ "Ohio County Profiles: Shelby" (PDF). Ohio Department of Development. Archived from the original (PDF) on May 8, 2007. Retrieved April 28, 2007.
- ^ 2020 census
- ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
- ^ "Shelby County data". Ohio State University Extension Data Center. Retrieved April 28, 2007.[dead link]