2018Final results
2018 election for Colorado Senate District 22
Colorado State Senate · Colorado
Brittany Pettersen (D) won with 58.2% of the vote, defeating Tony Sanchez (R) by 16.3 points.
Brittany PettersenDemocrat · winner
58.2%42,747
Tony SanchezRepublican
41.8%30,754
73,501 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