2024Final results
2024 election for Illinois's 6th District
U.S. House · Illinois
Sean Casten (D) won with 54.1% of the vote, defeating Niki Conforti (R) by 8.4 points.
Sean CastenDemocrat · winner
54.1%196,647
Niki ConfortiRepublican
45.7%166,116
363,383 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 3:26 AM ET
The seat over time
D − R margin in this seat's races around 2024
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 3:26 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Sean CastenNiki Conforti
$3.1M
Raised by the campaign
$155.7K
$2.5M
Spent by the campaign
$150.5K
$694.1K
Cash on hand
$5.2K
Campaign money: FEC, through Dec 31, 2024.
Source: FEC campaign filingsUpdated Dec 31, 2024