2012 Open Seats and Incumbent Landscape Changes
 
(8/29/12) 

Senate  (11: 4R, 6D, 1 I)
Jon Kyl (R-AZ) - Retiring
Joe Lieberman (I-CT) - Retiring
Daniel Akaka (D-HI) - Retiring
Richard Lugar (R-IN) - Defeated in GOP primary
Olympia Snowe (R-ME) - Retiring
Ben Nelson (D-NE) - Retiring
Jeff Bingaman (D-NM) - Retiring
Kent Conrad (D-ND) -- Retiring
Kay Bailey Hutchison (R-TX) -- Retiring

Jim Webb (D-VA) - Retiring
Herb Kohl (D-WI) - Retiring

House  (52:  24R, 28D)
Jeff Flake (R-AZ 6) - Running for Senate
Ben Quayle (R-AZ 3) - Defeated by Rep. David Schweikert in GOP primary
Mike Ross (D-AR 4) - Retiring
Wally Herger (R-CA 2) - Retiring
Lynn Woolsey (D-CA 6) - Retiring
Elton Gallegly (R-CA 24) - Retiring
David Dreier (R-CA 26) - Retiring
Jerry Lewis (R-CA 41) - Retiring
Bob Filner (D-CA 51) - Running for Mayor of San Diego
Chris Murphy (D-CT 5) -- Running for Senate
Cliff Stearns (R-FL 3) - Defeated in GOP primary
Sandy Adams (R-FL 7) - Defeated by Rep. John Mica in GOP primary
Connie Mack (R-FL 14) - Running for Senate
Mazie Hirono (D-HI 2) - Running for Senate
Jerry Costello (D-IL 12) - Retiring
Tim Johnson (R-IL 13) - Retiring
Don Manzullo (R-IL 16) - Defeated by Rep. Adam Kinzinger in GOP primary
Joe Donnelly (D-IN 2) - Running for Senate
Dan Burton (R-IN 5) - Retiring
Mike Pence (R-IN 6) - Running for Governor
John Olver (D-MA 1) - Retiring
Barney Frank (D-MA 4) - Retiring
Dale Kildee (D-MI 5) - Retiring
Hansen Clarke (D-MI 14) - Defeated by Rep. Gary Peters in Democratic primary
Russ Carnahan (D-MO 1) - Defeated by Rep. Lacy Clay in Democratic primary
Todd Akin (R-MO 2) - Running for Senate
Denny Rehberg (R-MT/AL) - Running for Senate
Shelley Berkley (D-NV 1) - Running for Senate
Steven Rothman (D-NJ 9) - Defeated by Rep. Bill Pascrell in Democratic primary

Martin Heinrich (D-NM 1) - Running for Senate
Gary Ackerman (D-NY 5) - Retiring
Bob Turner (R-NY 9) - Running for Senate
Edolphus Towns (D-NY 10) - Retiring
Maurice Hinchey (D-NY 22) - Retiring
Sue Myrick (R-NC 9) - Retiring
Heath Shuler (D-NC 11) - Retiring
Brad Miller (D-NC 13) - Retiring
RIck Berg (R-ND/AL) - Running for Senate
Jean Schmidt (R-OH 2) - Defeated in GOP primary election
Steve Austria (R-OH 7) - Retiring
Dennis Kuchinich (D-OH 10) - Defeated by Rep. Marcy Kaptur in Democratic primary
Steve LaTourette (R-OH 14) - Retiring
John Sullivan (R-OK 1) - Defeated in GOP primary
Dan Boren (D-OK 2) - Retiring
Jason Altmire (D-PA 4) - Defeated by Rep. Mark Critz in Democratic primary
Tim Holden (D-PA 17) - Defeated in Democratic primary
Todd Platts (R-PA 19) - Retiring
Ron Paul (R-TX 14) - Retiring
Silvestre Reyes (D-TX 16) - Defeated in Democratic primary
Charles Gonzalez (D-TX 20) - Retiring

Norm Dicks (D-WA 6) - Retiring
Tammy Baldwin (D-WI 2) - Running for Senate

Governors (5:  1R, 4 D)
Mitch Daniels (R-IN) -- Term Limited
Brian Schweitzer (D-MT) -- Term Limited
John Lynch (D-NH) - Retiring
Bev Perdue (D-NC) - Retiring
Christine Gregoire (D-WA) - Retiring

112th Congress:  Vacancies
House  5 (3D, 2R)
California 18 - Dennis Cardoza (D) resigned on August 15, 2012.  The special election to fill this vacancy will be held on November 6, 2012.
Kentucky 4 - Geoff Davis (R) resigned on July 31, 2012. The special election to fill this vacancy will be held on November 6, 2012.
Michigan 11 - Thaddeus McCotter (R) resigned on July 6, 2012.  A special primary election will be held on September 5, 2012, and the special general election will be held on November 6, 2012.
New Jersey 10 - Don Payne (D) passed away on March 6, 2012.  The special election to fill this vacancy will be held on November 6, 2012.

Washington 1 - Jay Inslee (D) resigned effective 3/20/12.  The special election to fill this vacancy will be held on November 6, 2012.