Member brief No. IL-15
Reviewed October 31, 2026
IL-15 · Illinois
Mary E. Miller
Republican. Harris won Illinois in 2024. Not flagged for 2032 redistricting risk.
- Age on Election Day 2028
- 69
- Born August 7, 1959.
- Lean
- R+20
- Solidly Republican. Cook PVI, 2026 lines.
- In the House since
- 2021
- Served since January 3, 2021.
- Cash on hand
- $911K
- $910,536. Reporting period ended October 14, 2026
The 2026 race
- November 3, 2026
- Re-elected
Over Jennifer Todd (D). Called by NBC News on November 4, 2026.
- Primary
- Won with 73.6%
March 17. Next: Ryan D. Tebrugge, 14.8%, and one other.
Endorsements, 2026
Endorsed: Donald Trump.
Spent against: MAHA PAC.
None on record: Club for Growth, Turning Point Action.
What a race here costs
TV: Champaign–Springfield–Decatur, 372,000 homes. The district is 42.3% of the market; 5 markets in all.
2026 primary: $893K spent, $10.14 a vote
2024 general: $447K spent, $1.44 a vote
In the House, 119th Congress
Committees: Agriculture · Education and Workforce · House Administration · Joint Committee on Printing
General-election outcomes
- 2024 vote share
- 99.55%
- Victory margin
- Not comparable
- Trump, 2024
- 69.03% · +39.75 pts
No named opponent; no meaningful presidential comparison.
2024 election districts. Valid votes; margin over the runner-up. Runner-up: William Bonnett. Returns · Trump baseline · Method. Reviewed November 5, 2026.
Money, past cycles
| Cycle | Raised | From individuals | Cash at year end |
|---|---|---|---|
| 2020 | $700K | 64% | $119K |
| 2022 | $2.0M | 81% | $310K |
| 2024 | $1.6M | 86% | $646K |
Scorecards and grades
- Conservative average, out of 100
- 95.8
- Progressive average, out of 100
- 7.7 (LCV 1, Progressive Punch 2, Stop Corruption Now 20)
- IAP Action score, immigration
- 189, rank 11 of 431
- Gun Owners of America grade, 2024
- A+
Read October 4, 2026 from the member’s page on heritageaction.com, clubforgrowth.org, tpaction.com, gopscorecard.limitedgov.org.