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1986 Senate elections · Iowa history

Iowa U.S. Senate election 1986

Chuck Grassley REP +32.5 · Class III seat · held 11/4/86

Votes counted
891,762
Margin
32.5 pts
Seat held by
Republicanheld

General election 11/4/86

CandidatePartyVotesShareBar
Chuck Grassley WonREP588,88066.04%
John O. RoehrickDEM299,40633.58%
John MastersOTH3,3700.38%
Scattering—1060.01%
Total891,762

Official source: data

Other Iowa Senate races

YearSeatWinnerMargin
2022Class IIIChuck Grassley12.0
2020Class IIJoni K. Ernst6.5
2016Class IIIChuck Grassley24.4
2014Class IIJoni K. Ernst8.3
2010Class IIIChuck Grassley31.1
2008Class IITom Harkin25.4
2004Class IIIChuck Grassley42.3
2002Class IITom Harkin10.4
1998Class IIIChuck Grassley37.9
1996Class IITom Harkin5.1
1992Class IIIChuck Grassley42.4
1990Class IITom Harkin9.1

Full Iowa Senate history →

Questions and answers

Who won the 1986 Iowa Senate race?

Chuck Grassley (REP) won with 66.0% of the vote, ahead of John O. Roehrick (33.6%), a margin of 32.5 points.

Did the Iowa Senate seat change party in 1986?

No. The Republican Party held it.

How many votes were cast in the 1986 Iowa Senate race?

891,762 votes were counted for the candidates in the general election.

Compiled by FiveThirtyEight from the official source linked above.