Oak Ridges—Markham (provincial electoral district)
| Ontario electoral district | |
|---|---|
Oak Ridges—Markham is in south-central Ontario, just north of Toronto | |
| Coordinates: | 43°55′45″N 79°31′37″W / 43.92917°N 79.52694°W Location of the federal district constituency office in King City (as of 26 August 2010) |
| Defunct provincial electoral district | |
| Legislature | Legislative Assembly of Ontario |
| District created | 2005 |
| District abolished | 2018 |
| First contested | 2007 |
| Last contested | 2014 |
| Demographics | |
| Population (2011) | 228,997 |
| Electors (2011) | 151,584 |
| Area (km²) | 718 |
| Census division(s) | York |
| Census subdivision(s) | Markham, Richmond Hill, Whitchurch–Stouffville, King |
Oak Ridges—Markham was a provincial electoral district in Ontario, Canada, that was represented in the Legislative Assembly of Ontario between the 2007 provincial election and the 2018 provincial election. Its population in 2006 was 169,645, with 136,755 electors, the highest of any riding in Ontario. It was the fastest growing riding in the province, having experienced a 52.5% increase in population from 2001 to 2006.
The district covered part of the suburbs north of Toronto. It included the town of Whitchurch–Stouffville, most of the township of King (excepting extreme northeast) the northern portions of the town of Richmond Hill (including all of Oak Ridges), and the northern and eastern portions of the city of Markham.
The electoral district was created in 2004 52.5% from Oak Ridges, 30% from Markham, 13% from Vaughan—King—Aurora district and 4.5% from York North riding.
In 2018, the district was dissolved into Markham—Stouffville, King—Vaughan, Markham—Unionville and Aurora—Oak Ridges—Richmond Hill.