2018Final resultsIncumbent defeated
2018 election for Vermont House District A-3
Vermont House of Representatives · Vermont
2 seats: Matt Birong (D), Diane Lanpher (D) won.
2 seatsMatt BirongDemocrat · winner
36.0%2,201
Diane LanpherDemocrat · winner · incumbent
34.7%2,122
Warren VanwyckRepublican · incumbent
28.8%1,763
6,114 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET