|Cook PVI||2017 Average Legislative Score||Madison Performance Index (MPI)||Take Action|
|R+13||98.3||8.3||Click for contact information|
Ken Buck is in his second term representing Colorado’s 4th, and sits on the Judiciary and Oversight Committees. He’s a member of the Republican Study Committee, and has emerged as an all-star, holding a rare 100% rating from Heritage Action. Every opportunity he’s had to vote with taxpayers and against pork, Buck has seized it.