This riding used to be solidly blue but then that started to change over time. Maybe the growing number of new Canadians has something to do with that. Aurora was only 73% white in 2016 and shrinking. However 2011 Stephen Harper, Doug Ford and Mike Harris have all had a history of winning in non-white heavy suburbs.
Newmarket-Aurora actually went for Trudeau twice. https://en.wikipedia.org/wiki/Newmarket%E2%80%94Aurora
This riding used to be solidly blue but then that started to change over time. Maybe the growing number of new Canadians has something to do with that. Aurora was only 73% white in 2016 and shrinking. However 2011 Stephen Harper, Doug Ford and Mike Harris have all had a history of winning in non-white heavy suburbs.