Confirm your registration
Check your registration status and review official voter services through the Illinois State Board of Elections.
Visit the official election siteOne district across two counties.
Illinois Senate District 21 includes portions of communities across DuPage and Will Counties. Exact district boundaries should always be confirmed through official election resources.
Illinois Senate District 21
Communities in District 21
Listening across the western suburbs.
The district includes portions of Bolingbrook, Downers Grove, Glen Ellyn, Lisle, Lombard, Naperville, Villa Park, Warrenville and Wheaton.
BolingbrookDowners GroveGlen EllynLisleLombardNapervilleVilla ParkWarrenvilleWheaton
Voting information
Make a plan to vote.
The general election is Tuesday, November 3, 2026. Use official Illinois election resources for registration, voting locations, vote-by-mail information and exact district boundaries.
Confirm your district
Because Senate district boundaries can divide municipalities, confirm your home address through an official district lookup before relying on a community list.
Find official district toolsVote by mail
Review current application deadlines, return instructions and ballot-tracking options on the official state or local election authority website.
Review voter informationEarly and Election Day voting
Locations and hours vary. Confirm them with your county election authority before traveling.
DuPage County · Will County
Campaign commitment
Represent the whole district.
District 21 is larger and more varied than any single community.
The campaign’s events, photography, testimonials and issue listening should reflect residents throughout DuPage and Will Counties. The new site is structured to make that expansion easy as the campaign gathers local content.
Invite Julie to your community