2020Final results
2020 election for Colorado House District 17
Colorado House of Representatives · Colorado
Tony Exum (D) won with 56.8% of the vote, defeating Rob Blancken (R) by 19.4 points.
Tony ExumDemocrat · winner · incumbent
56.8%15,780
Rob BlanckenRepublican
37.4%10,398
Susan QuilleashOther party
5.8%1,621
27,799 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET