United States Senate Elections 2010

Elections to the United States Senate are scheduled to be held on November 2, 2010, for 37 of the 100 seats in the United States Senate. A special election for a 38th seat was held in Massachusetts on January 19, 2010, for a term that ends in January 2013.

Thirty-four of the seats are for six-year terms, beginning January 3, 2011, and ending January 2017. They will join Senate Class III, which traces its roots back to the senators who served full six-year terms from March 4, 1789 to March 3, 1795. The other three races are for shorter terms: Delaware ending January 2015, New York ending January 2013 and West Virginia ending January 2013.

After the 2008 elections and their subsequent events, the Senate is composed of 57 Democrats, 41 Republicans, and two independents who caucus with the Democrats. Of the remaining seats up for election in 2010, 19 are held by Democrats (seven of whom are retiring or were defeated in the primary) and 18 are held by Republicans (eight of whom are retiring or were defeated in the primary).

Continuing Incumbents (63)

Senators are elected for six year terms. Roughly one-third of the seats are up for election with each two-year cycle. The following seats are not up in the 2010 election cycle.

Continuing Democrats (40)		Continuing Republicans (23)
Alaska--Mark Begich Arkansas--Mark L. Pryor California--Dianne Feinstein Colorado--Mark Udall Connecticut--Joseph I. Lieberman Delaware--Thomas R. Carper Florida--Bill Nelson Hawaii--Daniel K. Akaka Illinois--Richard J. Durbin Iowa--Tom Harkin Louisiana--Mary L. Landrieu Maryland--Benjamin L. Cardin Massachusetts--John F. Kerry Michigan--Carl Levin Michigan--Debbie Stabenow Minnesota--Al Franken Minnesota--Amy Klobuchar Missouri--Claire McCaskill Montana--Jon Tester Montana--Max Baucus	Nebraska--Ben Nelson New Hampshire--Jeanne Shaheen New Jersey--Frank R. Lautenberg New Jersey--Robert Menendez New Mexico--Jeff Bingaman New Mexico--Tom Udall North Carolina--Kay R. Hagan North Dakota--Kent Conrad Ohio--Sherrod Brown Oregon--Jeff Merkley Pennsylvania--Robert P., Jr. Casey Rhode Island--Jack Reed Rhode Island--Sheldon Whitehouse South Dakota--Tim Johnson Vermont--Bernard Sanders Virginia--Jim Webb Virginia--Mark R. Warner Washington--Maria Cantwell West Virginia--John D., IV Rockefeller Wisconsin--Herb Kohl	Alabama--Jeff Sessions Arizona--Jon Kyl Georgia--Saxby Chambliss Idaho--James E. Risch Indiana--Richard G. Lugar Kansas--Pat Roberts Kentucky--Mitch McConnell Maine--Olympia J. Snowe Maine--Susan M. Collins Massachusetts--Scott P. Brown Mississippi--Roger F. Wicker Mississippi--Thad Cochran Nebraska--Mike Johanns Nevada--John Ensign Oklahoma--James M. Inhofe South Carolina--Lindsey Graham Tennessee--Bob Corker Tennessee--Lamar Alexander Texas--John Cornyn Texas--Kay Bailey Hutchison Utah--Orrin G. Hatch Wyoming--John Barrasso Wyoming--Michael B. Enzi

Retiring Senators (14)

The following Senators either chose not to run for re-election, or were defeated in the primary in their bid for re-election.

Retiring Democrats (7)	Retiring Republicans (7)
Connecticut--Christopher Dodd Delaware--Ted Kaufman (special election) Illinois--Roland Burris Indiana--Evan Bayh North Dakota--Byron Dorgan Pennsylvania--Arlen Spector (defeated in primary) West Virginia--Carte Goodwin (special election)	Florida--George LeMieux Kansas--Sam Brownback Kentucky--Jim Bunning Missouri--Kit Bond New Hampshire--Judd Gregg Ohio--George Voinovich Utah--Bob Bennett (defeated in primary)

Incumbents Seeking Re-Election (23)

The following incumbent Senators are seeking re-election.

Democrats (12)	Republicans (11)
Arkansas--Blanche Lincoln California--Barbara Boxer Colorado--Michael Bennet Hawaii--Daniel Inouye Maryland--Barbara Mikulski Nevada--Harry Reid New York--Chuck Schumer New York--Kirsten Gillibrand (special election) Oregon--Ron Wyden Vermont--Patrick Leahy Washington--Patty Murray Wisconsin--Russ Feingold	Alabama--Richard Shelby Alaska--Lisa Murkowski (defeated in primary, running as write-in) Arizona--John McCain Georgia--Johnny Isakson Idaho--Mike Crapo Iowa--Chuck Grassley Louisiana--David Vitter North Carolina--Richard Burr Oklahoma--Tom Coburn South Carolina--Jim DeMint South Dakota--John Thune