Charles E Grassley
Republican
Undefeated: 10-0 career record
US SenateUS House
Electoral Grade
A-
+30.2 pts
avg overperformance
Better than 84% of candidates10 graded races
Overperformance vs. state presidential baseline. Incumbents held to a higher bar: Senate/Gov −3 pts, House −2 pts.
10
Races
10-0
W-L (100%)
-29.3
Avg Margin
1976–2022
Career Span
Best: +-8.0 (1980 Senate)Worst: -49.6 (1978 House)
Career Margin Trend10 races
Career Timeline
681,501
Candidate Votes
56.0%
Vote %
1,216,646
Total Votes
-12.2%
Margin
Electoral Performance
+7.0
Race Score
+4.0
vs. Natl. Baseline
D-8.2
State Pres.