IL-6

Illinois — U.S. House District 6

Nov 3, 2018Illinois2 candidates

Challengers

2

SC

(D)Won

Democratic incumbent for Illinois's 6th congressional district; former businessman.

Vote share53.6%

PJ

(R)Lost

Republican former U.S. Representative for Illinois's 6th district who served as chief deputy majority whip.

Vote share46.4%

Campaign finance data not yet available for this race.

Recent Coverage

4

Where the Hell Is the Oil Money Trump Stole From the People of Venezuela?

Common DreamsSep 18, 2026

Casten wants Dems to have a plan

POLITICOSep 17, 2026

The Data Center Transmission Brawls Are Just Getting Started

Heatmap NewsApr 16, 2026

Don’t Let Stealth Deregulation Sink Permitting Reform

BreakthroughjournalMar 25, 2026

Election History

2024

2022

2020

2018

2026

Sean Casten(D)N/A

Niki Conforti(R)N/A

2024

Sean Casten(D)54.2%

Niki Conforti(R)45.8%

2022

Sean Casten(D)54.4%

Keith Pekau(R)45.6%

2020

Sean Casten(D)52.8%

Jeanne Ives(R)45.4%

Bill Redpath(L)1.7%

2018

Sean Casten(D)53.6%

Peter J Roskam(R)46.4%

Campaign finance data sourced from FEC filings. Election results from MIT Election Lab. ChamberLight is not an official government source.