Flat Rock, Ohio
Flat Rock  | |
|---|---|
| Coordinates: 41°14′08″N 82°51′33″W / 41.23556°N 82.85917°W | |
| Country | United States | 
| State | Ohio | 
| County | Seneca | 
| Township | Thompson | 
| Area | |
 • Total  | 0.21 sq mi (0.55 km2) | 
| • Land | 0.21 sq mi (0.55 km2) | 
| • Water | 0.00 sq mi (0.00 km2) | 
| Elevation | 801 ft (244 m) | 
| Population  (2020)  | |
 • Total  | 227 | 
| • Density | 1,070.75/sq mi (412.76/km2) | 
| Time zone | UTC-5 (Eastern (EST)) | 
| • Summer (DST) | UTC-4 (EDT) | 
| ZIP codes | 44828  | 
| FIPS code | 39-27356 | 
| GNIS feature ID | 2628891 | 
Flat Rock is a census-designated place in northeastern Thompson Township, Seneca County, Ohio, United States. It has a post office with the ZIP code 44828. The population was 227 at the 2020 census.