Jon Tester
Democratic
Won 4 consecutive elections (1998–2018)
US SenateState Senate
Electoral Grade
A-
+15.6 pts
avg overperformance
Better than 81% of candidates4 graded races
Overperformance vs. state presidential baseline. Incumbents held to a higher bar: Senate/Gov −3 pts, House −2 pts.
5
Races
4-1
W-L (80%)
+2.4
Avg Margin
1998–2024
Career Span
Best: +11.1 (1998 State Senate)Worst: -7.1 (2024 Senate)
Career Margin Trend5 races
Career Timeline
276,305
Candidate Votes
45.5%
Vote %
607,262
Total Votes
-7.1%
Margin
Electoral Performance
+10.3
Race Score
+13.3
vs. Natl. Baseline
D-20.4
State Pres.