In the 2012 United States House of Representatives election in Delaware, the Democratic Party candidate won.
Incumbent Democratic Representative John Carney defeated Republican challenger Tom Kovach to win a second term. Democratic John Carney (incumbent) 249,933 64.40% Republican Tom Kovach 129,757 33.44% Green Bernard August 4,273 1.10% Libertarian Scott Gesty 4,096 1.06% 
