Colorado congressional districts and candidates

This page is part of the RaceTracker project,
coordinated by the Swing State Project

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RaceTracker 2010 Congressional Election Dashboard
2010 House report · 2010 Senate report
	House			Senate
	GOP	Dems	Total	GOP	Dems	Total
Confirmed primary challenges	27	18	45	2	3	5
Possible primary challenges	9	8	17	1	1	2
Open seats*	12	7	20¹	7	1	8²

1. Includes 3 special elections (no 2010 party yet). 2. Doesn't include DE, NY special elections.

Select a seat below for race details.

RaceTracker is currently only tracking races for governor, the U.S. Senate and the U.S. House of Representatives. If you're interested in helping us expand the project to other elections, please send us an email.

U.S. Senate

Select seat for race details	Incumbent	Photo	Party	Next election	Incumbent running	Primary challenge
CO-Senate Class II Seat	Mark Udall		Democratic	2014	Maybe	No
CO-Senate Class III Seat	Michael Bennet		Democratic	2010	Yes	No

Select seat for race details	Incumbent	Party	Incumbent running	Primary challenge
CO-01	Diana DeGette	Democratic	Yes	No
CO-02	Jared Polis	Democratic	Yes	No
CO-03	John Salazar	Democratic	Maybe	No
CO-04	Betsy Markey	Democratic	Yes	No
CO-05	Douglas Lamborn	Republican	Yes	Maybe
CO-06	Mike Coffman	Republican	Maybe	No
CO-07	Ed Perlmutter	Democratic	Maybe	No