John Sherman Cooper
Republican
Senate candidate from Kentucky
US Senate
Electoral Grade
B+
+8.3 pts
avg overperformance
Better than 66% of candidates7 graded races
Overperformance vs. state presidential baseline. Incumbents held to a higher bar: Senate/Gov −3 pts, House −2 pts.
4
Races
2-2
W-L (50%)
-8.8
Avg Margin
1948–1966
Career Span
Best: +8.9 (1954 Senate)Worst: -29.1 (1966 Senate)
Career Margin Trend4 races
Career Timeline
483,805
Candidate Votes
64.5%
Vote %
749,784
Total Votes
-29.1%
Margin
Electoral Performance
+37.2
Race Score
+40.2
vs. Natl. Baseline
D+11.1
State Pres.