Massachusetts State Senate seat · former district
Massachusetts Senate District 5
6 elections since 2012: Democrats won 2, Republicans 4.
2020 election
Nov 3, 2020- John Velis (D) · won63.9%
- John Francis Cain (R)35.8%
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
Every election for this seat
6 races since 2012; the seat changed party 1 time.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| 2020 | John Velis (D) | John Francis Cain (R) | 28.1 |
| 2020 special election | John Velis (D)Flip | John Francis Cain (R) | 28.4 |
| 2018 | Donald F. Humason Jr. (R) | — | Unopposed |
| 2016 | Donald F. Humason Jr. (R) | Jerome Parker-O'grady (D) | 19.1 |
| 2014 | Donald F. Humason Jr. (R) | Patrick T. Leahy (D) | 13.3 |
| 2012 | Michael R. Knapik (R) | — | Unopposed |
Primaries: 2014 Democratic primary
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)