Ken Buck
Rep · Republican · District 4 · CO
Where they stand
Every rated House member for the selected period — dots are members, the shaded band is the middle 50% of each party, the tick is the party median.
Trend vs. medians
Ken Buck's score per year against the House, party, and Congress-wide medians (rated members only).
By issue category
Ken Buck vs. the Republican median and the House median, per issue category.
Standout votes
Votes where Ken Buck broke from the Republican majority in the House.
▸Detailed score tables
Year
Score
Role
Party
Dist.
Year
Frequently Asked Questions
What is Rep. Ken Buck's voting record?
Rep. Ken Buck (R-CO-4) earned a 25% Competitive Markets Action score for 2023, showing limited alignment with competitive-markets and free-enterprise principles. Ken Buck represents Colorado's 4th Congressional District in the U.S. House of Representatives.
How aligned is Ken Buck with competitive-markets and free-enterprise principles?
Ken Buck earned a 25% Competitive Markets Action score in 2023, showing limited alignment with competitive-markets and free-enterprise principles.
What is Ken Buck's CMA score?
Ken Buck has a 25% CMA score for 2023.
Where does Ken Buck serve?
Rep. Ken Buck (R-CO-4) represents Colorado's 4th Congressional District in the U.S. House of Representatives as a Republican.