This is the 2020 race. The latest: 2026 →

2020Final results

2020 election for Colorado House District 1

Colorado House of Representatives · Colorado

Susan Lontine (D) won with 66.4% of the vote, defeating Samantha Koch (R) by 32.7 points.

Susan LontineDemocrat · winner · incumbent
66.4%22,584
Samantha KochRepublican
33.6%11,448
34,032 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

EvenD+17.42014D+22.12016D+32.02018D+32.72020D+32.32022D+29.52024

Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET