Who wins the Senate?

Last update: October 19, 2020 01:20

Democrats are Favored to win control

68.8%

31.2%

How the race changed over time

Steve Bullock (MT) enters race

Creates pathway to 51-seat majority

Joe Biden odds move outside MOE

50 seats needed for majority

Change in Senate composition

Which states switch hands

Democratic Gain                     Republican Gain

With Tossup                     No Tossup

50(+3)

52(+5)

45(-3)

46(-5)

Arizona

Mark Kelly +6.9%

Colorado

John Hickenlooper +10.9%

Maine

Sara Gideon +3.8%

Alabama

Tommy Tuberville +9.6%

If you are a campaign / organization who wants access to our data, please email us at 2020@OurProgress.org

Data visualization by amcharts - check them out!