1968 United States Senate election in Colorado

The 1968 United States Senate election in Colorado took place on November 5, 1968. Incumbent Republican U.S. Senator Peter Dominick was re-elected to a second term in office over Democratic ex-Governor Stephen McNichols. Peter Dominick defeated Stephen McNichols in a landslide despite Richard Nixon, a fellow Republican to Peter Dominick, winning the state narrowly over Hubert Humphrey in the concurrent presidential election.

Candidates

 * Stephen McNichols, former Governor of Colorado
 * Kenneth W. Monfort, businessman and State Representative from Greeley