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The 2010 U.S. Senate Race At A Glance

Learning About The U.S. Senate

Updated: November 17, 2010

The 2010 Senate election results are in! The Democrats will remain in the majority, by a count of 53-47. This includes two independent senators who caucus with the Democrats. The previous makeup of the U.S. Senate was 56 Democrats, 41 Republicans, and the two Independents.

One-third of the 100 U.S. Senate seats are up for election every two years. The 2010 election was held on Tuesday, Nov. 2. Thirty-four of these are to six-year terms, from January 3, 2011 to January 3, 2017. These incoming Senators are part of Senate Class III, which traces its roots to six-year terms running from 4 March 1789 to 3 March 1795.

Special elections were held for the seats vacated by Barack Obama and Joe Biden. Additional special elections were held for any Senators appointed to the cabinet whose terms do not end in 2011.

Election day 2010 includes elections to the U.S. House of Representatives as well as some state and local elections.

Following standard demarcation, "red" indicates seat previously held by a Republican and "blue" indicates a seat held by a Democrat.

Contested Senate Seats In 2010 Election

State Party Senator Winner
AL R Shelby Shelby
AK R Murkowski Murkowski
AR D Lincoln John Boozman (R)
AZ R McCain McCain
CA D Boxer Boxer
CO D Bennet Bennet
CT D Dodd Blumenthal (D)
DE D Kauffman Coons (D)
FL R Martinez Rubio (R)
GA R Isakson Isakson
HI D Inouye Inouye
IA R Grassley Grassley
ID R Crappo Crappo
Il D Burris Kirk (R)
IN D Bayh Coats (R)
KS R Brownback Moran (R)
KY R Bunning Paul (R)
LA R Vitter Vitter
MN D Mikulski Mikulski
ND D Dorgan Hoeven (R)
MO R Bond Blunt (R)
NH R Gregg Ayotte (R)
NV D Reid Reid
NY D Schumer Schumer
NY D Gillibrand Gillibrand
OH R Voinovich Portman (R)
OK R Coburn Coburn
OR D Wyden Wyden
PA D Specter Toomey (R)
SC R DeMint DeMint
SD R Thune Thune
UT R Bennett Bennett
VT D Leahy Leahy
WA D Murray Murray
WV D Byrd Manchin (D)
WI D Feingold Johnson (R)

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