Markham—Unionville (federal electoral district)
| Ontario electoral district | |||
|---|---|---|---|
Interactive map of riding boundaries from the 2025 federal election | |||
| Federal electoral district | |||
| Legislature | House of Commons | ||
| MP |
Liberal | ||
| District created | 2003 | ||
| First contested | 2004 | ||
| Last contested | 2025 | ||
| District webpage | profile, map | ||
| Demographics | |||
| Population (2021) | 128,308 | ||
| Electors (2021) | 87,781 | ||
| Area (km²) | 83.78 | ||
| Pop. density (per km²) | 1,531.5 | ||
| Census division | York | ||
| Census subdivision | Markham (part) | ||
Markham—Unionville is a federal electoral district in Ontario, Canada, that has been represented in the House of Commons of Canada since 2004.