Iowa State Senators of the 84th General Assembly

• Senate Leadership
• 
  President of the Senate: Jack Kibbie (D)
• 
  President pro Tempore: Jeff Danielson (D)
• 
  Majority Leader: Michael Gronstal (D)
• 
  Minority Leader: Jerry Behn (R)
• 
  Initial composition of the Senate

• Senate Membership
• 
  Rick Bertrand (R), District 1
• 
  Randy Feenstra (R), District 2
• 
  David Johnson (R), District 3
• 
  John P. (Jack) Kibbie (D), District 4
• 
  Robert Bacon (R), District 5
• 
  Merlin Bartz (R), District 6
• 
  Amanda Ragan (D), District 7
• 
  Mary Jo Wilhelm (D), District 8
• 
  Bill Dix (R), District 9
• 
  Jeff Danielson (D), District 10
• 
  William A. Dotzler, Jr. (D), District 11
• 
  Brian Schoenjahn (D), District 12
• 
  Tod Bowman (D), District 13
• 
  Pam Jochum (D), District 14
• 
  Robert E. Dvorsky (D), District 15
• 
  Tom Hancock (D), District 16
• 
  Wally E. Horn (D), District 17
• 
  Liz Mathis (D), District 18
• 
  Robert M. Hogg (D), District 19
• 
  Tim L. Kapucian (R), District 20
• 
  Dennis Black (D), District 21
• 
  Steven J. Sodders (D), District 22
• 
  Herman C. Quirmbach (D), District 23
• 
  Jerry Behn (R), District 24
• 
  Daryl Beall (D), District 25
• 
  Steve Kettering (R), District 26
• 
  William Anderson (R), District 27
• 
  James A. Seymour (R), District 28
• 
  Nancy J. Boettger (R), District 29
• 
  Pat Ward (R), District 30
  Died after session end but before term end.
• 
  Matthew McCoy (D), District 31
• 
  Brad Zaun (R), District 32
• 
  Jack Hatch (D), District 33
• 
  Dick Dearden (D), District 34
• 
  Jack Whitver (R), District 35
• 
  Paul McKinley (R), District 36
• 
  Kent Sorenson (R), District 37
• 
  Tom Rielly (D), District 38
• 
  Joe Bolkcom (D), District 39
• 
  James F. Hahn (R), District 40
• 
  Roby Smith (R), District 41
• 
  Shawn Hamerlinck (R), District 42
• 
  Joe M. Seng (D), District 43
• 
  Thomas G. Courtney (D), District 44
• 
  Sandra Greiner (R), District 45
• 
  Gene Fraise (D), District 46
• 
  Eric Mark Chelgren (R), District 47
• 
  Joni Ernst (R), District 48
• 
  Hubert Houser (R), District 49
• 
  Michael E. Gronstal (D), District 50

• Former Senators
• 
  Larry L. Noble (R), District 35
  Noble resigned before term start to become Commissioner of the Iowa Department of Public Safety.
• 
  Kim Reynolds (R), District 48
  Reynolds resigned mid-term (before session start) to become Lieutenant Governor of Iowa.
• 
  Swati A. Dandekar (D), District 18
  Dandekar resigned mid-session to become a Democratic member of the Iowa Utilities Board.

• Former Leaders
• 
  Minority Leader: Paul McKinley (R)
  McKinley resigned as Minority Leader mid-session.