This is the 1992 race. The latest: 2022 →

1992Final results

1992 election for U.S. Senate in Iowa

U.S. Senate · Iowa

Chuck Grassley (R) won with 69.6% of the vote, defeating Jean Lloyd-Jones (D) by 42.4 points.

Chuck GrassleyRepublican · winner
69.6%899,761
27.2%351,561
Stuart ZimmermanNatural Law
1.3%16,403
Sue AtkinsonOther party
0.5%6,277
Mel BoringOther party
0.4%5,508
Rosanne FreeburgOther party
0.4%4,999
Carl Eric OlsenOther party
0.3%3,404
0.2%2,918
Cleve Andrew PulleySocialist Workers
0.1%1,370
1,292,201 votes

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET

The seat over time

D − R margin in this seat's races around 1992

Races before and after

EvenR+42.41992R+37.91998R+42.32004R+31.02010R+24.42016R+12.22022

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET

Money in this race

Each line compares the two campaigns on one scale.

Jean Lloyd-JonesChuck Grassley
$415.8K
Raised by the campaign
$2.5M
$410.9K
Spent by the campaign
$2.3M
$4.9K
Cash on hand
$821K

Other candidates' campaigns: Stuart Zimmerman $362.8K · Mel Boring $20K.

Campaign money: FEC, through Dec 31, 1992.

Source: FEC campaign filingsUpdated Dec 31, 1992

The candidates

Chuck Grassley (R)Jean Lloyd-Jones (D)

Also on the ballot: Stuart Zimmerman (Natural Law), 1.3%; Sue Atkinson (Other party), 0.5%; Mel Boring (Other party), 0.4%; Rosanne Freeburg (Other party), 0.4%; Carl Eric Olsen (Other party), 0.3%; Richard O'Dell Hughes (Other party), 0.2%; Cleve Andrew Pulley (Socialist Workers), 0.1%