William Bill Costas
Republican
6 races across House, State Senate
US HouseState Senate
Electoral Grade
D
-62.0 pts
avg overperformance
Better than 1% of candidates2 graded races
Overperformance vs. state presidential baseline. Incumbents held to a higher bar: Senate/Gov −3 pts, House −2 pts.
6
Races
2-4
W-L (33%)
+8.1
Avg Margin
1978–1990
Career Span
Best: +47.8 (1986 House)Worst: -27.8 (1980 State Senate)
Career Margin Trend6 races
Career Timeline
35,450
Candidate Votes
34.0%
Vote %
104,370
Total Votes
+32.1%
Margin
Electoral Performance
-52.2
Race Score
-52.2
vs. Natl. Baseline
D-20.2
State Pres.