Massachusetts House of Representatives seat · former district
Massachusetts House District 183
5 elections since 2012: Democrats won 4, Republicans 1.
2020 election
Nov 3, 2020- Kathy LaNatra (D) · won · incumbent54.7%
- Summer K. Schmaling (R)45.2%
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
Every election for this seat
5 races since 2012; the seat changed party 2 times.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| 2020 | Kathy LaNatra (D) | Summer K. Schmaling (R) | 9.5 |
| 2018 | Kathy LaNatra (D) | Joseph M. Truschelli (R) | 5.1 |
| 2016 | Thomas J. Calter III (D)Flip | Peter J. Boncek (R) | 19.8 |
| 2014 | Thomas J. Calter III (R)Flip | — | Unopposed |
| 2012 | Thomas J. Calter III (D) | Debra A. Betz (R) | 25.1 |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)