This is the 1980 race. The latest: 2022 →

1980Final results

1980 election for U.S. Senate in Illinois

U.S. Senate · Illinois

Alan Dixon (D) won with 56.0% of the vote, defeating David C. O'Neal (R) by 13.5 points.

Alan DixonDemocrat · winner
56.0%2,565,302
David C. O'NealRepublican
42.5%1,946,296
Bruce GreenLibertarian
0.6%29,328
Sidney LensOther party
0.4%19,213
0.3%11,453
Michael SorianoWorkers World
0.1%5,626
Burton Lee ArtzSocialist Workers
0.1%2,715
4,580,029 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 1980

Races before and after

EvenD+31.41986D+10.21992R+2.91998D+42.92004D+15.12016D+15.32022

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.

Alan DixonDavid C. O'Neal
$2.4M
Raised by the campaign
$1.3M
$2.3M
Spent by the campaign
$1.3M
$0
Cash on hand
$0

Other candidates' campaigns: Bruce Green $22.7K · Sidney Lens $2.1K · Michael Soriano $283 · Burton Lee Artz $100.

Campaign money: FEC, through Dec 31, 1980.

Source: FEC campaign filingsUpdated Dec 31, 1980

The candidates

Alan Dixon (D)David C. O'Neal (R)

Also on the ballot: Bruce Green (Libertarian), 0.6%; Sidney Lens (Other party), 0.4%; Charles F. Wilson (Communist), 0.3%; Michael Soriano (Workers World), 0.1%; Burton Lee Artz (Socialist Workers), 0.1%