2018 Senate Election Interactive Map

35 U.S. Senate seats to be contested in 2018

The U.S. Senate has 51 Republicans and 49 Democrats (including two independents). There are 35 seats up in 2018 - including special elections in Minnesota and Mississippi - of which 26 are held by Democrats. That party will need to gain 2 seats to take control.

This 3-part Senate map lets you view the current Senate, make a forecast for the 2018 Senate elections, and see the composition of the 2019 Senate based on those predictions. Use the buttons below the map to share it on social media or embed it into a web page.

23no 2018 election
18
10
7
no 2018 election42
MA
RI
CT
NJ
DE
MD
 
VP
S
S

Map Created: Nov. 5, 2017 at 15:58 UTC (10:58 AM EST)

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Party Toss-up

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Senate Elections 2018

Current 49 51
Pro 44 50 6
Forecast 41 49 10

Pro: 2018 Consensus Forecast
Forecast: Totals on interactive map

Upcoming Elections

Now 2018 2020* 2022^
47 24 11 12
2 2
51 9 21 21

* Excludes MN and MS seats to be filled by special election in 2018
^ Excludes AZ seat to be filled by special election in 2020

* The arrows on the counter above the map designate the controlling party. 50-50 tie decided by Vice-President (VP)

State Incumbent Party Since Term Pro Rating
AZ Jeff Flake
2013 1st
Incumbent not running for re-election in 2018.
FL Bill Nelson
2001 3rd
IN Joe Donnelly
2013 1st
ME Angus King
2013 1st
MI Debbie Stabenow
2001 3rd
MN Tina Smith
2018 1st
MO Claire McCaskill
2007 2nd
MS Cindy Hyde-Smith
2018 1st
MT Jon Tester
2007 2nd
ND Heidi Heitkamp
2013 1st
NJ Bob Menendez
2006 3rd
NV Dean Heller
2011 2nd
OH Sherrod Brown
2007 2nd
PA Bob Casey
2007 2nd
TN Bob Corker
2007 2nd
Incumbent not running for re-election in 2018.
TX Ted Cruz
2013 1st
VT Bernie Sanders
2007 2nd
WI Tammy Baldwin
2013 1st
WV Joe Manchin
2011 2nd
The following races are rated as safe for the incumbent party.
CA Dianne Feinstein
1992 5th
CT Chris Murphy
2013 1st
DE Tom Carper
2001 3rd
HI Mazie Hirono
2013 1st
MA Elizabeth Warren
2013 1st
MD Ben Cardin
2007 2nd
MN Amy Klobuchar
2007 2nd
MS Roger Wicker
2007 2nd
NE Deb Fischer
2013 1st
NM Martin Heinrich
2013 1st
NY Kirsten Gillibrand
2009 2nd
RI Sheldon Whitehouse
2007 2nd
UT Orrin Hatch
1977 7th
Incumbent not running for re-election in 2018.
VA Tim Kaine
2013 1st
WA Maria Cantwell
2001 3rd
WY John Barrasso
2007 2nd