📌 The Canadian federal electoral district of Carleton—Mississippi Mills was contested in the 2011 election.

🏆 Gordon O'Connor, the Conservative candidate, won the riding with 43,723 votes (57.0% of the vote).

🥈 The runner-up was Karen McCrimmon (Liberal) with 18,393 votes (24.0%), defeated by a margin of 25,330 votes.

📊 Other notable candidates: Erin Peters (NDP-New Democratic Party, 15%).