2020 Colorado U.S. House District 4 Election

Colorado · 4 candidates · See every 2020 U.S. House race

Who won the 2020 Colorado U.S. House District 4 Election?

Ken Buck won the 2020 Colorado U.S. House District 4 Election. Ken Buck received 285,606 popular votes (60.11%). The main challenger was Ike McCorkle (36.61%).

See the full head-to-head between Buck and McCorkle

Buck +23.5 pts · won by 111,661 votes

Ken Buck RepublicanWINNER60.11%

285,606 votes

Ike McCorkle Democratic36.61%

173,945 votes

Bruce GriffithLibertarian2.32%

11,026 votes

Laura IrelandUNITY PARTY OF COLORADO0.95%

4,530 votes

Popular-vote totals for U.S. House elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.