Illinois Congressional Delegation: 17 Representatives, 2 Senators
Embed this widgetLast updated: 2026-05-09
House Delegation
17
U.S. Representatives
14 Democrats, 3 Republicans
Senate Delegation
2
U.S. Senators
2 Democrats
Illinois has 17 representatives in the U.S. House. Illinois is represented by 2 U.S. Senators: Richard Durbin (Democratic) and Tammy Duckworth (Democratic). Senators serve 6-year terms and representatives serve 2-year terms — see term end dates and election timing for each seat below.
Learn more about congressional term lengths, the Senate class schedule, or the upcoming 2026 election cycle.
Up for Election in 2026
Richard Durbin (Democratic) is up for re-election in 2026. All 17 Illinois U.S. House seats are also on the ballot, since House terms are 2 years.