← Back to Members
Chuck Grassley

Chuck Grassley

President Pro Tempore
RepublicanSenate
IA

Service History

Served in both the House and Senate

119th Congress (2025-2027)Senate Currently Serving
IA

Leadership:

President Pro Tempore
Jan 2025
to
Present
118th Congress (2023-2025)Senate
IA

2022 General Election

Chuck Grassley: 56.01%+12.18%

681,501 votes • Defeated Michael Franken

Chuck GrassleyREPWinner
681,501 votes(56.01%)
Michael FrankenDEM
533,330 votes(43.84%)

Other Ballot Results

Undervotes
13,448 votes(1.11%)
Write-in Votes
1,815 votes(0.15%)
Overvotes
322 votes(0.03%)

Total votes: 1,230,416

Jan 2023
to
Dec 2025
117th Congress (2021-2023)Senate
IA

Leadership:

President Pro Tempore
Jan 2021
to
Dec 2023
116th Congress (2019-2021)Senate
IA

Leadership:

President Pro Tempore
Jan 2019
to
Dec 2021
115th Congress (2017-2019)Senate
IA

2016 General Election

Chuck Grassley: 60.09%+24.43%

926,007 votes • Defeated Patty Judge

Chuck GrassleyREPWinner
926,007 votes(60.09%)
Patty JudgeDEM
549,460 votes(35.66%)
Charles A. AldrichLIB
41,794 votes(2.71%)
Jim HennagerOTH
17,649 votes(1.15%)
Michael Luick-ThramsOTH
4,441 votes(0.29%)

Other Ballot Results

Write-in Votes
1,685 votes(0.11%)

Total votes: 1,541,036

Jan 2017
to
Dec 2019
114th Congress (2015-2017)Senate
IA
Jan 2015
to
Dec 2017
113th Congress (2013-2015)Senate
IA
Jan 2013
to
Dec 2015
112th Congress (2011-2013)Senate
IA

2010 General Election

Chuck Grassley: 64.35%+31.05%

718,215 votes • Defeated Roxanne Conlin

Chuck GrassleyREPWinner
718,215 votes(64.35%)
Roxanne ConlinDEM
371,686 votes(33.3%)
John HeiderscheitLIB
25,290 votes(2.27%)

Other Ballot Results

Write-in Votes
872 votes(0.08%)

Total votes: 1,116,063

Jan 2011
to
Dec 2013
111th Congress (2009-2011)Senate
IA
Jan 2009
to
Dec 2011
110th Congress (2007-2009)Senate
IA
Jan 2007
to
Dec 2009
109th Congress (2005-2007)Senate
IA

2004 General Election

Chuck Grassley: 70.18%+42.31%

1,038,175 votes • Defeated Art Small

Chuck GrassleyREPWinner
1,038,175 votes(70.18%)
Art SmallDEM
412,365 votes(27.88%)
Christy Ann WeltyLIB
15,218 votes(1.03%)
Daryl A. NorthropGRE
11,121 votes(0.75%)
Edwin B. FruitSWP
1,874 votes(0.13%)

Other Ballot Results

Write-in Votes
475 votes(0.03%)

Total votes: 1,479,228

Jan 2005
to
Dec 2007
108th Congress (2003-2005)Senate
IA
Jan 2003
to
Dec 2005
107th Congress (2001-2003)Senate
IA
Jan 2001
to
Dec 2003
106th Congress (1999-2001)Senate
IA
Jan 1999
to
Dec 2001
105th Congress (1997-1999)Senate
IA
Jan 1997
to
Dec 1999
104th Congress (1995-1997)Senate
IA
Jan 1995
to
Dec 1997
103rd Congress (1993-1995)Senate
IA
Jan 1993
to
Dec 1995
102nd Congress (1991-1993)Senate
IA
Jan 1991
to
Dec 1993
101st Congress (1989-1991)Senate
IA
Jan 1989
to
Dec 1991
100th Congress (1987-1989)Senate
IA
Jan 1987
to
Dec 1989
99th Congress (1985-1987)Senate
IA
Jan 1985
to
Dec 1987
98th Congress (1983-1985)Senate
IA
Jan 1983
to
Dec 1985
97th Congress (1981-1983)Senate
IA
Jan 1981
to
Dec 1983
Elected to Senate
96th Congress (1979-1981)House
IA - District 3
Jan 1979
to
Dec 1981
95th Congress (1977-1979)House
IA - District 3
Jan 1977
to
Dec 1979
94th Congress (1975-1977)House
IA - District 3
Jan 1975
to
Dec 1977
View Full Service History (26 terms)

26

Terms Served

26

Congresses

4

Safe Wins (>10%)

Floor Statements

What Chuck said on the floor, from the Congressional Record

View all 3087
Senate Floor·September 29, 2026·p. S5140-S5144

Strengthening America'S Turning Point Act

Mr. President, lowering costs for Americans has been a key focus of this Republican Congress. The 2025 Working Families Tax Cut Act prevented the largest tax increase in the history of our country. If that bill had not passed, taxes would…

Senate Floor·September 29, 2026·p. S5159

Wind Energy Mitigation Agreements

Madam President, for over a year, the Department of Defense has stopped signing wind energy mitigation agreements through its Siting Clearinghouse, which is negatively impacting energy projects in Iowa. The reason the Pentagon Office of…

Senate Floor·September 24, 2026·p. S4959-S4962

Legislative Session

Happy news in the fight against fraud: This week, the White House Task Force to Eliminate Fraud took steps to stop fraud and to prevent bad actors from gaming ObamaCare. The administration is working to stop fraudulent and improper…

View all 3087 floor statements