Election
2016
Senate Forecast
Percent of simulations where each party gains control of Senate
How we calculate this »
Dem
13%
50/50
Split
23%
(VP determines
balance of power)
GOP
64%
States Most Likely To Flip
Win Probability
Dem
Chance
50/50
GOP
Chance
Illinois
81%
19%
Indiana
50%
50%
Nevada
32%
68%
Pennsylvania
59%
41%
Wisconsin
99%
1%
See all states »