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2006 general · November 7, 2006

2006 U.S. Senate election results

Every U.S. Senate race in the 2006 general election, state by state: winners, margins and seats that changed party.

← 2004 general2008 general →

Races33
Changed party7
Unopposed0%0 races

U.S. Senate

D 22 · R 9 · Other 2

RaceWinnerWon byNotes
ArizonaJon Kyl (R)9.8
CaliforniaDianne Feinstein (D)24.4
ConnecticutJoseph I. Lieberman (OTH)10.0Flipped
DelawareThomas R. Carper (D)41.5
FloridaBill Nelson (D)22.2
HawaiiDaniel K. Akaka (D)24.6
IndianaRichard G. Lugar (R)74.8
MaineOlympia J. Snowe (R)53.7
MarylandBenjamin L. Cardin (D)10.0
MassachusettsEdward Kennedy (D)38.8
MichiganDebbie Stabenow (D)15.7
MinnesotaAmy Klobuchar (D)20.1
MississippiTrent Lott (R)28.7
MissouriClaire McCaskill (D)2.3
MontanaJon Tester (D)0.9Flipped
NebraskaE. Benjamin Nelson (D)27.8
NevadaJohn Ensign (R)14.4
New JerseyRobert Menendez (D)9.0
New MexicoJeff Bingaman (D)41.3
New YorkHillary Clinton (D)36.0
North DakotaKent Conrad (D)39.3
OhioSherrod Brown (D)12.3Flipped
PennsylvaniaRobert P. Casey, Jr. (D)17.4Flipped
Rhode IslandSheldon Whitehouse (D)7.0Flipped
TennesseeBob Corker (R)2.7
TexasKay Bailey Hutchison (R)25.6
UtahOrrin G. Hatch (R)31.3
VermontBernard Sanders (IND)33.0Flipped
VirginiaJim Webb (D)0.4Flipped
WashingtonMaria Cantwell (D)16.9
West VirginiaRobert Byrd (D)54.1
WisconsinHerb Kohl (D)37.8
WyomingCraig Thomas (R)40.1

Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: MIT Election Data and Science Lab