Spotzi is a Netherlands-based company (with an office in Toronto) that provides marketing data for companies. Their primary product is for-purchase but "sample" searches can be conducted from their homepage.
Provides links to the most recent Consumer Magazine, Digital Magazine, and Business Media fact books. The Consumer Magazine fact book has data on Canadian industry trends, magazine readership and circulation, ad positioning, and ad effectiveness. The Digital Magazine fact book looks at magazine trends and research from tablets, e-readers, social media and smartphones.
A good place for Canadian newspaper circulation data, readership research, and ad effectiveness. A joint initiative of the Canadian Newspaper Association and the Canadian Community Newspaper Association.
"Census geography covers a wide range of geographic areas – from provinces and territories down to city blocks. These geographic areas have boundaries, names, and other information that make it possible to locate them on the ground and relate census data to them."
"Canada Post's Householder Counts and Maps help Direct Marketers to target their audiences by providing information on the counts of houses, apartments, farms and businesses throughout Canada, along with associated Forward Sortation Area (FSA) and Letter Carrier Walk (LCW) maps."