Colorado's 4th congressional district

Colorado's 4th congressional district is a congressional district in the U.S. state of Colorado. Located in the eastern part of the state, the district encompasses most of the rural Eastern Plains as well as the larger city of Greeley, Lamar, and Castle Rock along Colorado's Front Range in eastern Colorado. Interactive map of Colorado's 4th Congressional District.The district is currently represented by Republican Ken Buck. It is the main Republican stronghold out of Colorado's 7 districts and the least competitive; no Democrat has seriously contested the 4th since the 2010 redistricting that removed Fort Collins from the district.