electionsmcp › races › Illinois State Senate District 21
Illinois State Senate District 21
The current officeholder, the 2024 result, and a precinct-level model you can run yourself — built from how Illinois actually voted.
Model Illinois State Senate District 21 →
Current officeholder
Laura Ellman Democratic
2024 result
being added
Office
State Senate
Precinct results — 2022 general
233 precincts reported in Illinois State Senate District 21's 2022 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 17197-DU PAGE PCT 001 | Democratic | D+0.0 | 1,019 |
| 17197-WHEATLAND PCT 009 | Democratic | D+0.0 | 993 |
| 17197-WHEATLAND PCT 005 | Democratic | D+0.0 | 956 |
| 17197-WHEATLAND PCT 018 | Democratic | D+0.0 | 905 |
| 17197-WHEATLAND PCT 014 | Democratic | D+0.0 | 901 |
| 17197-WHEATLAND PCT 008 | Democratic | D+0.0 | 879 |
| 17197-WHEATLAND PCT 006 | Democratic | D+0.0 | 832 |
| 17197-WHEATLAND PCT 007 | Democratic | D+0.0 | 826 |
| 17197-WHEATLAND PCT 015 | Democratic | D+0.0 | 800 |
| 17197-WHEATLAND PCT 010 | Democratic | D+0.0 | 795 |
| 17197-DU PAGE PCT 014 | Democratic | D+0.0 | 768 |
| 17197-WHEATLAND PCT 020 | Democratic | D+0.0 | 734 |
| 17197-WHEATLAND PCT 013 | Democratic | D+0.0 | 717 |
| 17197-WHEATLAND PCT 021 | Democratic | D+0.0 | 668 |
| 17197-WHEATLAND PCT 019 | Democratic | D+0.0 | 645 |
| 17043-MILTON 002 - 0360 | Democratic | D+0.0 | 592 |
| 17197-WHEATLAND PCT 017 | Democratic | D+0.0 | 584 |
| 17043-YORK 056 - 0589 | Democratic | D+0.0 | 580 |
| 17043-LISLE 010 - 0812 | Democratic | D+0.0 | 575 |
| 17043-YORK 010 - 0528 | Democratic | D+0.0 | 564 |
All 233 precincts are modelable — open the race in the simulator and drill to precinct grain.
Find your district
Enter a ZIP code or a district (e.g. NC-4) to find your U.S. House district and who represents it.
Model Illinois State Senate District 21 in five steps
- Set the candidates. Name the contenders for the Illinois State Senate District 21 (or keep the generic Democrat / Republican defaults). The map starts from real 2024 results in every precinct.
- Apply a swing. Move vote share statewide, or by demographic cohort, with a slider. The map and the running tally recompute instantly.
- Model turnout. Mobilize or depress turnout for any group — turnout and persuasion are modeled separately, the way a real campaign thinks about them.
- Drill to precincts. Zoom from the state down to individual precincts and override any of them by hand.
- Roll up & share. Roll the result up to chamber control, then publish a shareable, frozen link to your scenario.
Open Illinois State Senate District 21 in the simulator →
Frequently asked
Who represents Illinois State Senate District 21?
Laura Ellman (Democratic) currently holds this State Senate seat.
What was the 2024 result in Illinois State Senate District 21?
Precinct-level 2024 results for this race are being added.
Can I model this race myself?
Yes — open it in the electionsmcp simulator and model vote-share swing and turnout from the real 2024 baseline, down to the precinct, then roll it up to chamber control.