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Illinois

2 senators and 17 representatives in the 119th Congress.

Senators

Representatives

Voting in Illinois

March 17, 2026

2026 primary election

November 3, 2026

2026 general election

Voter registration deadline, 2026 general election

Register 28 days before (16 days if online), or same-day through Election Day in person.

For voter ID rules and how to vote in Illinois, see the state election office.

Source: NCSL · verified September 1, 2026

2026 federal races

Elections in Illinois

Candidates on file with the FEC, not counting those who withdrew, retired or died. Not a certified ballot.

For reporters covering Illinois.

The whole delegation, graded and on the record. Every figure traces to a primary source and is rebuilt daily. Free to republish under CC BY 4.0. Credit Project Curia. Nothing to sign up for.

The Illinois delegation at a glance

A3
B4
C8
D2
F2
5,199

tracked floor votes cast by the delegation

253

times a member broke with their own party

7%

median share of funds from small donors, over the window each member's page names

6 of 19

members disclosed trades

No position is not opposition. A blank means a member has not cosponsored and has not voted, not that they are against it. Finance is disclosed money only. The grade and every roll-call vote are explained in full.

Illinois delegationCSVEvery member on every tracked measureCSV

How the grade worksHow every position is sourcedQuestions, or a number that looks wrong: [email protected]