Susan Collins
Republican
Won 5 consecutive elections (1996–2020)
US SenateGovernor
Electoral Grade
A
+22.6 pts
avg overperformance
Better than 89% of candidates6 graded races
Overperformance vs. state presidential baseline. Incumbents held to a higher bar: Senate/Gov −3 pts, House −2 pts.
6
Races
5-1
W-L (83%)
-13.4
Avg Margin
1994–2020
Career Span
Best: +10.8 (1994 Governor)Worst: -37.0 (2014 Senate)
Career Margin Trend6 races
Career Timeline
416,556
Candidate Votes
51.2%
Vote %
813,535
Total Votes
-9.0%
Margin
Electoral Performance
+13.6
Race Score
+16.6
vs. Natl. Baseline
D+7.6
State Pres.