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List of current members the Iowa Senate

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The Iowa Senate is the upper house of the Iowa General Assembly, the legislature of the U.S. state of Iowa. One State Senator is elected from each of the state's 50 electoral districts, with each Senate district containing two House of Representatives districts. As of January 28, 2025, 16 of those seats are held by Democrats and 34 by Republicans.[1] The presiding officer is the President of the Senate, who is chosen by the majority party and elected by the Senate. In addition, senators elect a President pro tempore, chosen in the same manner as the President, and the respective party caucuses elect a majority and minority leader, a majority and minority whip, and assistant party leaders.[2]

Senators serve for four-year terms and are elected in even-numbered years, with half of the Senate elected every two years in the general election on election day, as part of the presidential and midterm elections. Newly elected senators are sworn in and begin work on the second Monday of January.[2] Should a senator resign from office before his or her term expires, the governor calls a special election to replace the senator.[3] Senators are not term-limited.[4]

Senators generally serve on several standing committees and often serve on joint appropriations subcommittees, permanent statutory committees and various boards and commissions.

Party composition

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Party composition as of January 28, 2025.
Affiliation Members
Republican 34
Democratic 16
Total
 50

Leadership

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Senate leadership as of March 23, 2025.
Position Name Party District
President of the Senate Amy Sinclair Republican 12
President pro tempore Ken Rozenboom Republican 19
Majority Leader Jack Whitver Republican 23
Minority Leader Zach Wahls Democratic 43

Senators

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Iowa senators as of March 23, 2025
District
 Jurisdiction(s) represented
 Portrait
 Senator
 Party
 First
elected
 Standing
committee
leader
 Appropriations
subcommittee
member
1 Woodbury, Rocky De Witt Republican 2022 N/A Transportation, Infrastructure, and Capitals
2 Plymouth and Sioux Jeff Taylor Republican 2020 Education (Vice Chair) Education (Chair)
3 Osceola, O'Brien, Clay, Cherokee, and Buena Vista Lynn Evans Republican 2022 Education
4 Calhoun, Pocahontas, Sac, and Webster Tim Kraayenbrink Republican 2014 Appropriations (Chair), Technology (Vice Chair)
5 Clay, Dickinson, Emmet, Kossuth, Palo Alto and Winnebago Dave Rowley Republican 2020 Administration and Regulation Appropriations (Chair)
6 Audubon, Carroll, Crawford, Ida, and Shelby Jason Schultz Republican 2014 State Government (Chair)
7 Cherokee, Monona, Plymouth, and Woodbury Kevin Alons Republican 2022 Health and Human Services
8 Fremont, Harrison, Mills, and Pottawattamie, Mark Costello Republican 2014[a] Ethics (Vice Chair) Health and Human Services (Chair)
9 Adams, Cass, Montgomery, Page, Ringgold, Taylor, and Union Tom Shipley Republican 2014 Ethics (Chair), Natural Resources and Environment (Vice Chair) Agriculture and Natural Resources
10 Pottawattamie Dan Dawson Republican 2016 Ways and Means (Chair)
11 Marion and Warren Julian Garrett Republican 2013[b] Judiciary (Vice Chair) Justice System (Chair)
12 Adair, Appanoose, Clarke, Dallas, Decatur, Lucas, Madison, Union and Wayne Amy Sinclair Republican 2012 Government Oversight (Chair), Rules and Administration (Vice Chair)
13 Appanoose, Davis, Monroe, and Wapello Cherielynn Westrich Republican 2022 Justice System (Vice Chair)
14 Dallas Sarah Trone Garriott Democratic 2020 Health and Human Services (Ranking Member) Health and Human Services
15 Polk Tony Bisignano Democratic 2014 State Government (Ranking Member), Agriculture (Ranking Member)
16 Dallas and Polk Claire Celsi Democratic 2018 Government Oversight (Ranking Member) Administration and Regulation (Ranking Member)
17 Polk Izaah Knox Democratic 2022 Natural Resources and Environment (Ranking Member) Education
18 Polk Official Portrait for the 85th General Assembly Janet Petersen Democratic 2012 Appropriations (Ranking Member) Transportation, Infrastructure, and Capitals (Ranking Member)
19 Jasper, Mahaska, and Marion Official Portrait for the 85th General Assembly Ken Rozenboom Republican 2012 Agriculture (Vice Chair), Education (Chair)
20 Polk Mike Pike Republican 2024
21 Polk Mike Bousselot Republican 2022 Commerce (Vice Chair) Transportation, Infrastructure, and Capitals (Vice Chair)
22 Polk Matt Blake Democratic 2024
23 Dallas and Polk Official Portrait for the 85th General Assembly Jack Whitver Republican 2011[c] Rules and Administration (Chair)
24 Boone, Dallas, Greene, Guthrie, and Story Jesse Green Republican 2020 Local Government (Chair)
25 Story Official Portrait for the 85th General Assembly Herman Quirmbach Democratic 2002 Education (Ranking Member) Economic Development
26 Marshall and Story Kara Warme Republican 2024
27 Black Hawk, Grundy, Hardin, Poweshiek, and Tama Annette Sweeney Republican 2018 Natural Resources and Environment (Chair) Agriculture and Natural Resources (Vice Chair)
28 Franklin, Hancock, Hamilton, Humbolt, and Wright Official Portrait for the 85th General Assembly Dennis Guth Republican 2012 N/A Administration and Regulation (Vice Chair)
29 Bremer, Butler, Chickasaw, and Floyd Sandy Salmon Republican 2022 Veterans Affairs (Vice Chair) Justice System
30 Cerro Gordo, Floyd, Mitchell, and Worth Doug Campbell Republican 2024
31 Black Hawk Official Portrait for the 85th General Assembly William Dotzler Democratic 2002 Veterans Affairs (Ranking Member) Economic Development (Ranking Member)
32 Allamakee, Clayton, Fayette, Howard, and Winneshiek Mike Klimesh Republican 2020 Government Oversight (Vice Chair); Transportation (Chair) Health and Human Services
33 Dubuque, Jones and Jackson Carrie Koelker Republican 2018 Was and Means (Vice Chair) Transportation, Infrastructure, and Capitals (Chair)
34 Black Hawk, Buchanan, Delaware, Dubuque, and Fayette Official Portrait for the 85th General Assembly Dan Zumbach Republican 2012 Appropriations(Vice Chair) Agriculture and Natural Resources (Chair)
35 Clinton, Jackson, and Scott Mike Zimmer Democratic 2025
36 Dubuque Thomas Townsend Democratic 2024
37 Linn Molly Donahue Democratic 2022 Workforce (Ranking Member) Health and Human Services (Ranking Member)
38 Benton, Black Hawk, and Tama Dave Sires Republican 2024
39 Linn Liz Bennett Democratic 2022 Technology (Ranking Member) Transportation, Infrastructure, and Capitals
40 Linn Art Staed Democratic 2024
41 Cedar, Muscatine, and Scott Kerry Gruenhagen Republican 2022 Economic Development
42 Benton and Linn Charlie McClintock Republican 2022 Workforce (Vice Chair) Justice System
43 Johnson Zach Wahls Democratic 2018 Rules and Administration (Ranking Member)
44 Henry, Jefferson, Keokuk, Mahaska, and Van Buren Adrian Dickey Republican 2021[d] Workforce (Chair); Transportation (Vice Chair) Economic Development
45 Johnson Janice Weiner Democratic 2022 Local Government (Ranking Member) Agriculture and Natural Resources
46 Iowa, Johnson and Washington Dawn Driscoll Republican 2020 Agriculture (Chair)
47 Scott Scott Webster Republican 2022 Administration and Regulation
48 Des Moines, Henry, Louisa, and Muscatine Mark Lofgren Republican 2016 Local Government (Vice Chair) Economic Development (Chair)
49 Scott Cindy Winckler Democratic 2022 Ethics (Ranking Member) Education (Ranking Member)
50 Des Moines and Lee Jeff Reichman Republican 2020 Veterans Affairs (Chair)

Notes

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  1. ^ First elected in a December 30, 2014 special election.
  2. ^ First elected in a November 19, 2013 special election.
  3. ^ First elected in a January 18, 2011 special election.
  4. ^ First elected in a January 26, 2021 special election.

See also

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References

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General

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  • "Journal of the Senate, Eighty-Fourth General Assembly, 2011 Regular Session" (PDF). State of Iowa. Retrieved July 15, 2012.
  • "1857 Constitution of the State of Iowa – Codified". Retrieved July 15, 2012.
  • Iowa Official Register, 2011-2012. Vol. 74. Iowa General Assembly, Legislative Services Agency, Glen Dickinson, Director.
  • "Senate, General Assembly: 86 (01/12/2015 – 01/08/2017)". Iowa General Assembly. Retrieved February 15, 2015.
  • "Leadership, General Assembly: 86 (01/12/2015 – 01/08/2017)". Iowa General Assembly. Retrieved February 15, 2015.
  • "Election Results and Statistics". Iowa Secretary of State. Retrieved February 15, 2015.

Specific

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  1. ^ "Democrat wins Jackson County Senate seat in special election". 28 January 2025.
  2. ^ a b Legislative Guide to the Iowa General Assembly (PDF). Legal Services Division, Iowa Legislative Services Agency. December 2006. p. 2. Retrieved October 23, 2012.
  3. ^ "Iowa Code 2011 + Supplement §69.14" (PDF). January 9, 2012. Retrieved October 23, 2012.
  4. ^ National Conference of State Legislatures (June 2009). "The Term Limited States". Retrieved October 23, 2012.
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