Diane Harris
Lost the 2026 race for Illinois Secretary of State.
- Last margin
- −29.5
- Lost 2026
- Elections
- 1
- 2026
Source: Wikidata, congress-legislators and Open States; 99chambers legislative records
Background
As listed by the official candidate list, Wikidata and campaign filings. 99chambers does not summarize platforms or endorsements.
- On the ballot as
- Joliet Junior College trustee and nominee for Illinois's 43rd State Senate district in 2022
Every race Harris has run
Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Harris won voters the party’s presidential nominee did not; primaries have no baseline.
| Year | Office | Stage | Result | Opponents | Share | Margin | Baseline | Against baseline |
|---|---|---|---|---|---|---|---|---|
| 2026 | Illinois Secretary of State | General | Lost | Alexi Giannoulias (D) | 35.2% | D+29.5 | D+11.1 |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Polls of Harris’s races
The 2026 general average had Harris behind by 19.4; Harris lost by 29.5.
| Race | Average | Result |
|---|---|---|
| 2026 · 1 poll | D+19.4 | D+29.5 |
Source: 99chambers polling average on Election Day; 2026 results: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Who Harris has run against
- Alexi Giannoulias (D) · 2026 election, lost
Source: 99chambers results archive; 2026: civicAPI (unofficial)