PolitiFinder

2018 Colorado U.S. House District 3 Election

Colorado · 4 candidates · See every 2018 U.S. House race

Who won the 2018 Colorado U.S. House District 3 Election?

Scott R. Tipton won the 2018 Colorado U.S. House District 3 Election. Scott R. Tipton received 173,205 popular votes (51.52%). The main challenger was Diane Mitsch Bush (43.55%).

See the full head-to-head between Tipton and Bush

Tipton +8.0 pts · won by 26,779 votes
Scott R. TiptonRepublicanWINNER51.52%
173,205 votes
Diane Mitsch BushDemocratic43.55%
146,426 votes
Mary M. MalarsieIndependent3.22%
10,831 votes
Gaylon KentLibertarian1.7%
5,727 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.