John J Duncan
Republican
Undefeated: 21-0 career record
US House
Electoral Grade
A
+42.9 pts
avg overperformance
Better than 94% of candidates16 graded races
Overperformance vs. state presidential baseline. Incumbents held to a higher bar: Senate/Gov −3 pts, House −2 pts.
21
Races
21-0
W-L (100%)
-59.6
Avg Margin
1976–2016
Career Span
Best: +-12.5 (1988 House)Worst: -100.0 (1982 House)
Career Margin Trend21 races
Career Timeline
212,455
Candidate Votes
75.7%
Vote %
280,856
Total Votes
-51.3%
Margin
Electoral Performance
+27.1
Race Score
+25.1
vs. Natl. Baseline
D-26.2
State Pres.