The state of Colorado was represented in the United States House of Representatives by one member of the House, elected at-large from 1876 until 1893 and from 1903 until 1913, and by two members at-large from 1913 until 1915. Since the 1914 elections, all members from Colorado have been elected from congressional districts.

1876-1893

Colorado was represented by only one member of the House, elected at-large state-wide, from its admission as a state until 1893. Colorado was granted a second seat in the U.S. House of Representatives beginning with the U.S. election of 1892. Colorado created two congressional districts: Colorado's 1st congressional district and Colorado's 2nd congressional district.

1903-1915

Colorado was apportioned a third seat in the U.S. House of Representatives beginning with the 1902 elections. Colorado's third member of the House was elected at-large. Colorado was apportioned a fourth seat in beginning with the 1912 elections. Colorado used four congressional districts beginning with the U.S. elections of 1914.