Mark Udall (D) Elected in 1998; Seeking fifth term; Udall ran unopposed in the primary. Contact: 303-412-0531 • Campaign Web site • Official Web site • Almanac biography • DCCC profile

Rich Mancuso (R) Mancuso, a teacher, ran unopposed in the primary. Contact: 303-919-1248 • Campaign Web site

CO-03


District Profile: The 3rd is the state's largest -- roughly the size of Arkansas -- and is usually a Republican district, but it can be unpredictable. Full Profile
2006 Results: John Salazar (D) defeated Scott Tipton (R) by 62-37%

John Salazar (D) Elected in 2004; Seeking second term; Salazar ran unopposed in the primary. Contact: 303-880-5778 • Campaign Web site • Official Web site • Almanac biography • DCCC profile

Scott Tipton (R) Tipton, a pottery company owner, ran unopposed in the primary. Contact: 970-570-2052 • Campaign Web site

CO-04


District Profile: By heritage and usually by inclination, this is Republican territory: It was evenly split in 1992, but later gave solid margins to Bob Dole and George W. Bush. Full Profile
2006 Results: Marilyn Musgrave (R) defeated Angie Paccione (D) by 46-43%

Marilyn Musgrave (R) Elected in 2002; Seeking third term; Musgrave ran unopposed in the primary. Contact: 970-587-5732 • Campaign Web site • Official Web site • Almanac biography

Angie Paccione (D) Paccione, a state representative, ran unopposed in the primary. Contact: 970-224-9370 • Campaign Web site • DCCC profile

CO-05


District Profile: The 5th is the most GOP district in the state and one of the most Republican in the nation. Full Profile
2006 Results: Doug Lamborn (R) defeated Jay Fawcett (D) by 60-40%

Doug Lamborn (R) Lamborn, a state senator, was nominated with 27 percent in a six-way primary. Contact: 719-266-6117 • Campaign Web site • Official Web site

Jay Fawcett (D) Fawcett, a retired U.S. Air Force officer, ran unopposed in the primary. Contact: 719-510-8201 • Campaign Web site • DCCC profile

CO-06

District Profile: Redistricting in 2002 changed the 6th District more than any previously existing district in Colorado. This is now Colorado's second most Republican district. Full Profile
2006 Results: Tom Tancredo (R) defeated Bill Winter (D) by 59-40%

Tom Tancredo (R) Elected in 1998; Seeking fifth term; Tancredo ran unopposed in the primary. Contact: 303-421-7223 • Campaign Web site • Official Web site • Almanac biography

Bill Winter (D) Winter, an attorney, ran unopposed in the primary. Contact: 720-891-4269 • Campaign Web site • DCCC profile

CO-07


District Profile: The 7th District, newly created for the 2002 elections, covers parts of three counties and most of the inner Denver suburbs. Full Profile
2006 Results: Ed Perlmutter (D) defeated Rick O'Donnell (R) by 55-42%

Rick O'Donnell (R) O'Donnell, the state higher education commission chair, ran unopposed in the primary. Contact: 720-222-1045 • Campaign Web site

Ed Perlmutter (D) Perlmutter, a former state senator, was nominated with 53 percent in a three-way primary. Contact: 303-459-4729 • Campaign Web site • DCCC profile