U.S. Senate · Illinois

Sen. Richard J. Durbin (D)

Represents Illinois, in office since Jan. 3, 2021. Official site

$1.71spent by the campaign for every vote cast in the 2020 general election

This race$1.71
Opponent$0.06
IL average$3.27
Senate average$13.91

Ranks 95 of 96 senators (1 = most spent per vote).

The 2026 race for this seat · Not runningIL Senate: $24.6M in outside spending so far Every group spending in the race, primary and general, and each candidate’s fundraising.

The 2020 race

Votes and campaign spending in the 2020 race
Candidate	Votes	Campaign spent	Per vote cast
Richard J. Durbin (D), won	3,278,930 (54.9%)	$10,204,830	$1.71
Mark Curran (R)	2,319,870 (38.9%)	$376,608	$0.06

Total votes cast: 5,968,901. “Per vote cast” is the campaign’s total spending for that election divided by all votes cast in the race.

Tracked issue money in 2026

Money from groups tracked on issue pages
Issue	Groups	Given	Bundled	Spent for	Spent against
HousingReal estate and home building	Realtors PAC (RPAC)	$3,000	$0	$0	$0
EducationTeachers unions	NEA Fund	$2,000	$0	$0	$0

IL’s other senator

Sen. Tammy Duckworth (D)$4.82 per vote cast, 2022

Results: state-certified totals (sources in How this works). Spending: FEC candidate totals for the 2020 election (as of Oct. 6, 2026). How this is calculated.