📌 The Canadian federal electoral district of Dufferin—Caledon was contested in the 2011 election.

🏆 David Tilson, the Conservative candidate, won the riding with 28,647 votes (59.1% of the vote).

🥈 The runner-up was Ard Van Leeuwen (Green Party) with 7,069 votes (14.6%), defeated by a margin of 21,578 votes.

📊 Other notable candidates: Leslie Parsons (NDP-New Democratic Party, 13%) and Bill Prout (Liberal, 13%).