Presidential election Results Map

California’s 36th District
For eight terms, Representative Mary Bono Mack, the Republican incumbent, has won in this largely blue state, and redistricting seemed to favor another good outcome for her. But she found herself in a scrappy fight against the Democrat, Dr. Raul Ruiz, an emergency room physician. Latinos make up nearly a third of the district’s voters, and Ms. Bono Mack, one of the most moderate Republicans in the House, may have boo-booed when she said on the campaign trail that she would reach out to Latinos “after the election.” Twist: If she loses, and her husband, Representative Connie Mack of Florida, fails in his Senate bid, they will be a married Congressional couple out of work.

Colorado’s 6th District
As goes this district, so likely goes the presidential candidate in this western bellwether state. Representative Mike Coffman, a favorite of the Tea Party movement, is known for his colorful statements, including calling into question President Obama’s American-ness, and his path to a third term narrowed after political mapmakers redrew his overwhelmingly Republican district to include near-equal amounts of registered Republican, Democratic and independent voters. His Democratic rival, Joe Miklosi, a state lawmaker, has struggled to raise money for his own campaign and has had to rely on the Democratic Congressional Campaign Committee to keep afloat.

Florida’s 18th District
Representative Allen B. West is one of the few nationally known freshman Republicans, a former Army officer who in 2010 became one of only two black Republicans to be elected to the House since Reconstruction. A Tea Party favorite who works the talk-show circuit and is a fund-raising powerhouse, he is in a too-close-to-call contest with a wealthy construction executive, Patrick Murphy, and Democrats would love to see Mr. West go. This race has also featured some of the nastiest , in a year with a high bar for that.