2020Final results
2020 election for Connecticut House District 21
Connecticut House of Representatives · Connecticut
Mike Demicco (D) won with 62.3% of the vote, defeating John W. Brockelman (R) by 26.1 points.
Mike DemiccoDemocrat · winner · incumbent
62.3%9,148
John W. BrockelmanRepublican
36.2%5,316
David Paul KramerOther party
1.5%224
14,688 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