Statistics Canada, 2011
Digital boundary files for a wide range of census geographic areas – from provinces and territories down to city blocks. The latest boundary data available is 2011.
Format: ESRI Shapefiles (.shp), Geography Markup Language (.gml), MapInfo (.tab)
Access: Download from Statistics Canada
OGDE: Ontario Municipal Boundaries
Ontario Ministry of Natural Resources, 2012
Vector datasets that contain different levels of municipal boundaries (single tier, lower tier, upper tier and districts) in Ontario at a scale of 1:10,000.
Format: ESRI Shapefiles (.shp)
Access: Download from Scholars GeoPortal
Note: More data can be found in the Boundaries of Canada section