Illinois's 6th Congressional District (IL-6)
Last updated · 5 sources
Sean Casten, a Democrat, has represented the district since 2019.
The district includes parts of Cook and DuPage counties.
According to the Census Bureau's 2020–2024 American Community Survey 5-year estimates, the district has a population of 747,517, a median household income of $99,953, and a median age of 41.4. Of residents 25 and older, 44.2% hold a bachelor's degree or higher.
Representative
2026 election
Casten has filed with the FEC to run for this seat in 2026. 4 candidates for the seat have reported receipts to the FEC.
4 candidates have reported raising money for the 2026 IL-6 race to the FEC.
Election Day: Tuesday, November 3, 2026
| Candidate | Party | Raised | Cash on hand | Through |
|---|---|---|---|---|
| Sean Casten (incumbent) | Democratic | $2,108,920 | $1,285,018 | Jun 30 |
| Niki Conforti | Republican | $313,038 | $22,661 | Jun 30 |
| Joseph Ruzevich | Democratic | $168,973 | $21,573 | Feb 25 |
| Skylar Duensing | Republican | $11,488 | $243 | Jun 30 |
Includes primary candidates; FEC filings do not record primary results. FEC race page
District profile
- Population
- 747,517
- Median household income
- $99,953
- Median age
- 41.4
- Bachelor's degree or higher
- 44.2%
Census Bureau, 2020–2024 American Community Survey 5-year estimates
Illinois senators
Dick DurbinU.S. Senator for Illinois · Democrat
Tammy DuckworthU.S. Senator for Illinois · Democrat
Neighboring districts
Sources
- District boundaries (Census Bureau cartographic boundary file, 119th Congress) · retrieved Oct 2, 2026
- Counties by district (Census Bureau relationship file) · retrieved Oct 2, 2026
- District profile (Census Bureau, 2020–2024 American Community Survey 5-year estimates) · retrieved Oct 2, 2026
- congress-legislators (member data, CC0) · retrieved Oct 2, 2026
- Candidates and totals (Federal Election Commission) · retrieved Oct 2, 2026