The 1984 United States Senate election in Colorado was held on November 6, 1984. Incumbent Republican William L. Armstrong defeated Democratic nominee Nancy E. Dick with 64.25% of the vote. Armstrong carried all but three counties in the state, and to date is the last Republican Senate candidate to carry normally heavily Democratic Denver. This is the best ever performance by a Republican in a popular vote election in Colorado for the United States Senate.
Primary elections were held on September 11, 1984.
Major party candidates
Other candidates