Washington, Nov. 4 -- Democrats are projected to control the House of Representatives in the next Congress, marking a profound political realignment as voters deliver a sharp rebuke to the ruling party amid rising economic anxiety.

According to the Fox News Voter Poll, four key demographic groups- young, independent, rural and Hispanic voters- shifted away from the Grand Old Party in large numbers, turning against Republicans while placing blame on the Iran war and tariffs.

This profound electoral shift has enabled Democrats to secure victories not just in tightly contested seats, but across several traditionally red districts as well. While the exact scale of the incoming Democratic majority remains to be fully determined, the party is...