John R Thune
Republican
Won 4 consecutive elections (2004–2022)
US SenateUS House
Electoral Grade
B
+12.5 pts
avg overperformance
Better than 62% of candidates7 graded races
Overperformance vs. state presidential baseline. Incumbents held to a higher bar: Senate/Gov −3 pts, House −2 pts.
8
Races
7-1
W-L (88%)
-38.4
Avg Margin
1996–2022
Career Span
Best: +0.2 (2002 Senate)Worst: -100.0 (2010 Senate)
Career Margin Trend8 races
Career Timeline
242,316
Candidate Votes
69.6%
Vote %
348,020
Total Votes
-43.5%
Margin
Electoral Performance
+20.3
Race Score
+17.3
vs. Natl. Baseline
D-26.2
State Pres.