Homelesshub.ca puts homelessness in Canada at 235,000 as of 2024.

https://homelesshub.ca/collection/homelessness-101/how-many-people-homeless-canada/

OECD data via an article at Daily Hive puts empty homes in Canada as of 2021 at 1.34 million homes. Though that number is now thought to be much higher.

https://dailyhive.com/vancouver/canada-over-1-3-million-vacant-homes

Basic math. 5 homes give or take a half or so per homeless person.