Thorold
| Thorold | |
|---|---|
| City of Thorold | |
| Downtown Thorold in 2023 | |
| Location of Thorold in the Niagara Region | |
| Coordinates: 43°07′N 79°12′W / 43.117°N 79.200°W | |
| Country | Canada | 
| Province | Ontario | 
| Region | Niagara | 
| Incorporated | 1850 (village) | 
| 1870 (town) | |
| 1975 (city) | |
| Government | |
| • Mayor | Terry Ugulini | 
| • Governing body | Thorold City Council | 
| • MP | Fred Davies | 
| • MPP | Jeff Burch | 
| Area | |
| • Land | 83.29 km2 (32.16 sq mi) | 
| Elevation | 162 m (531 ft) | 
| Population  (2021) | |
|  • Total | 23,816 | 
| • Density | 285.9/km2 (740/sq mi) | 
| Time zone | UTC-5 (Eastern (EST)) | 
| • Summer (DST) | UTC-4 (EDT) | 
| Postal code | L2V, L2T, L0S | 
| Area code(s) | 905, 289, 365, and 742 | 
| Website | www.thorold.ca | 
Thorold is a city in Ontario, Canada, located on the Niagara Escarpment. It is also the seat of the Regional Municipality of Niagara. The Welland Canal passes through the city, featuring lock 7 and the Twin Flight Locks.