📌 The Canadian federal electoral district of Terrebonne—Blainville was contested in the 2004 election.

🏆 Diane Bourgeois, the Bloc Québécois candidate, won the riding with 31,028 votes (68.2% of the vote).

🥈 The runner-up was Pierre Gingras (Liberal) with 8,963 votes (19.7%), defeated by a margin of 22,065 votes.

📊 Other notable candidates: Patrick Légaré (Conservative, 6%).