2018Final results
2018 election for Colorado Senate District 9
Colorado State Senate · Colorado
Paul Lundeen (R) won with 70.3% of the vote, defeating Gil Armendariz (D) by 40.6 points.
Paul LundeenRepublican · winner
70.3%61,341
Gil ArmendarizDemocrat
29.7%25,892
87,233 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET