Tom Harkin, U.S. Senator

Tom Harkin

U.S. Senator
Born
November 19, 1939
Current age
86
Home state
Iowa
Party
Democratic
On the ballot
1974–2008
10-0
RecordWin–Loss
Total Popular Votes
Harkin3.9M
Opponents3.0M
10
Elections run

Between 1974 and 2008, Tom Harkin ran in 10 elections across 2 offices (U.S. House and U.S. Senate), winning all 10. Harkin's biggest single-election total was 941,665 votes, in the 2008 U.S. Senate election in Iowa. Harkin's closest win came in the 1974 U.S. House election in Iowa's District 5, decided by 3,463 votes.

Browse every U.S. Senate election in Iowa, every U.S. House race in Iowa's District 5, or all 2008 U.S. Senate races.

How many votes has Tom Harkin received?

Tom Harkin has received 3,903,274 popular votes across 10 U.S. elections, with a career record of 10–0.

Election history

Tom Harkin’s election history
YearOfficeResultVotesOpponent(s)
2008U.S. SenateIowaWon941,66562.66%Christopher Reed
2002U.S. SenateIowaWon554,27854.18%Greg Ganske
Timothy A. Harthan

Richard J. Moore
1996U.S. SenateIowaWon634,16651.81%Jim Lightfoot
Sue Atkinson

Fred Gratson

Joe Sulentic

Shirley E. Pena
1990U.S. SenateIowaWon535,97554.47%Thomas J. Tauke
1984U.S. SenateIowaWon716,88355.46%Roger W. Jepsen
Garry de Young
1982U.S. HouseIowaWon93,33358.86%Arlyn E. Danker
1980U.S. HouseIowaWon127,89560.22%Cal Hultman
1978U.S. HouseIowaWon82,33358.93%Julian B. Garrett
1976U.S. HouseIowaWon135,60064.86%Kenneth R. Fulk
Verlyn LeRoy Hayes
1974U.S. HouseIowaWon81,14651.09%Scherle
Identity & sources. Identity verified against the Congressional Bioguide (H000206) and Wikidata (Q465617). Election results come from official certified totals and the MIT Election Data and Science Lab; see methodology.
Cite this profile. PolitiFinder, “Tom Harkin: election history & vote totals.” https://politifinder.com/p/tom-harkin. Accessed [date].

Compiled by PolitiFinder. Election results from official certified sources and the MIT Election Lab. See Data & sources and methodology. Data last verified July 28, 2026.