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.
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 was apportioned a third seat in the U.S. House of Representatives beginning with the 1902 elections.
Colorado was apportioned a fourth seat in beginning with the 1912 elections.