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2018 Colorado U.S. House District 4 Election
Colorado · 2 candidates
Buck +21.2 pts · won by 78,494 votes
Ken BuckRepublicanWINNER60.62%
224,038 votes
Karen McCormickDemocratic39.38%
145,544 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).