1984 United States Senate election in Colorado

The 1984 United States Senate election in Colorado was held on November 6, 1984. Incumbent Republican William L. Armstrong defeated Democrat 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.

Primary elections
Primary elections were held on September 11, 1984.

Candidates

 * Nancy E. Dick, incumbent Lieutenant Governor
 * Carlos F. Lucero, attorney

Results
[[File:1984 United States Senate Democratic primary in Colorado results map by county.svg|thumb|center| Dick

{{legend|#7996e2|50–60%}}

{{legend|#6674de|60–70%}}

{{legend|#584cde|70–80%}}

{{legend|#3933e5|80–90%}} Lucero

{{legend|#f9d440|50-60%}}

{{legend|#f4c200|60–70%}}

{{legend|#daae00|70–80%}}

{{legend|#be9600|80–90%}} ]]

Candidates

 * William L. Armstrong, incumbent United States Senator

Candidates
Major party candidates
 * William L. Armstrong, Republican
 * Nancy E. Dick, Democratic

Other candidates
 * Craig Green, Libertarian
 * David Martin, Socialist Workers
 * Earl Higgerson, Prohibition