Durham County | |
|---|---|
Dissolved county | |
 | |
| Coordinates: 43°55′N 78°56′W / 43.917°N 78.933°W | |
| Colony | Upper Canada |
| District | Newcastle District |
| Established | 1792 |
| Dissolved | 1850 (reorganized into the United Counties of Northumberland and Durham) |
| Time zone | UTC-5 (Eastern (EST)) |
| • Summer (DST) | UTC-4 (Eastern (EDT)) |
Durham County (area 376,397 acres (1,523 km2)) is an historic county in Ontario, Canada. It was named for the English County Durham and city of Durham. It was created in 1792 but was later merged Northumberland County to form the United Counties of Northumberland and Durham. In 1974, the two counties were split and reorganized, with the former portions of Durham County reorganized into the Regional Municipality of Durham.