2026 election for Illinois Secretary of State
Secretary of State · Illinois
Alexi Giannoulias (D) won re-election with 64.8% of the vote, defeating Diane Harris (R) by 29.5 points.
Source: civicAPI unofficial results and race callsUpdated Nov 7, 2026, 1:34 PM ET
Where the race moved
Against the 2024 presidential vote
Every county, 2024 to 2026
Each dot is a county, sized by votes cast and colored by who carried it in 2026. Dots above the line moved toward Giannoulias compared with the 2024 presidential vote; 98 of 101 did. The largest shift among the bigger counties: Kendall, +24.1 points.
Source: civicAPI county results (unofficial); 2024 president: MEDSL precinct returnsUpdated Nov 7, 2026, 1:34 PM ET
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
By county
Show 93 more
Bar: share of the state's vote. Shift: change in margin from the 2024 presidential vote, + toward Democrats.
Source: civicAPI county results (unofficial); 2024 president: MEDSL precinct returnsUpdated Nov 7, 2026, 1:34 PM ET
Polls against the result
The final average had Giannoulias ahead by 19.4. Giannoulias won by 29.5: a 10.1-point miss toward Republicans.
- Poll with Giannoulias ahead
- Poll with Harris ahead
- Final polling average
- Result
| Pollster | Dates | Sample | Giannoulias | Harris | Margin | Adjusted | Miss vs result | Grade | Release |
|---|---|---|---|---|---|---|---|---|---|
| Public Policy Polling for Chicago News Weekly | Sep 30–Oct 1 | 569 LV | 55 | 37 | D+18 | D+19.4 | −11.5 | B+ | cnwmedia.com ↗ |
Adjusted: after correcting for the pollster's house effect and likely-voter screens. Miss: the poll's margin minus the result; + means the poll leaned Democratic. Grade: the pollster's accuracy in past elections, A+ to D (pollster ratings).
Source: Each poll's release, via Wikipedia poll listsUpdated Oct 1, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Alexi Giannoulias
- >99%
- Diane Harris
- <1%
- Projected margin
- D+21.6
The candidates
Also on this ballot here
| U.S. Senate | D+24.3 |
| Governor | D+23.5 |
| Attorney General | D+23.2 |
| Treasurer | D+24.3 |
| Comptroller | D+22.1 |
Results within this state. Source: civicAPI unofficial results and race callsUpdated Nov 7, 2026, 7:00 PM ET