2020Final results
2020 election for Colorado Senate District 12
Colorado State Senate · Colorado
Bob Gardner (R) won with 58.3% of the vote, defeating Electra Johnson (D) by 20.6 points.
Bob GardnerRepublican · winner · incumbent
58.3%45,808
Electra JohnsonDemocrat
37.8%29,656
Zechariah L. HarrisOther party
3.9%3,048
78,512 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