2020Final results
2020 election for U.S. Senate in Illinois
U.S. Senate · Illinois
Richard J. Durbin (D) won with 54.9% of the vote, defeating Mark C. Curran Jr. (R) by 16.1 points.
Richard J. DurbinDemocrat · winner
54.9%3,278,930
Mark C. Curran Jr.Republican
38.9%2,319,870
Willie L. WilsonOther party
4.0%237,699
Danny MaloufLibertarian
1.3%75,673
David F. BlackGreen
0.9%56,711
5,970,891 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Richard J. DurbinMark C. Curran Jr.
$7.3M
Raised by the campaign
$376.6K
$8.3M
Spent by the campaign
$376.6K
$1.1M
Cash on hand
$0
Other candidates' campaigns: Willie L. Wilson $3.1M · Danny Malouf $12.5K.
Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020
The candidates
Richard J. Durbin (D)Mark C. Curran Jr. (R)
Also on the ballot: Willie L. Wilson (Other party), 4.0%; Danny Malouf (Libertarian), 1.3%; David F. Black (Green), 0.9%