Leaving office January 1, 2027.Lost re-election in 2026. This page switches to the former-officeholder layout when the term ends.
RepublicanIn office until January 1, 2027

Darby Hills

Illinois State Senator, District 26. Lost re-election in 2026; leaves office in January 2027.

Illinois State Senator, District 26

Bills became law
3
41 sponsored, 2025–2026 session
Votes missed
0.8%
Chamber median 2.8%
With party
64%
On votes splitting the parties
Last margin
−15.0
Lost 2026

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:51 PM ET

Committees

As of 2026-10.

  • Child Welfare · ranking member
  • Commerce
  • Consumer Protection
  • Judiciary
  • Transportation

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 41 sponsored · 3 became law
BillIntroCmteSenateHouseLaw
HB 4242 DCFS-NOTICE OF APPEAL PROCESS
Became law Jul 2026
HB 2190 REGULATION-TECH
Became law Jul 2026
HB 1754 TICK ACT
Became law Aug 2025
SB 2895 HEALING THROUGH HISTORY ACT
Passed Senate May 2026
HB 4336 LOC GOV-DISABLED VET BUILD FEE
Passed Senate Apr 2026

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Hills sits in the Illinois State Senate

Hills is closer to the center than 89% of the chamber's Republicans.

Dem. medianRep. medianHillsMore liberalMore conservative

Closest: Seth Lewis, Don DeWitte, John Curran

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:50 PM ET

With Hills’s party

  • Votes with the chamber's Republicans64%
  • Cosponsorships of the other party's bills38%

Black tick: the average of Republicans in the Illinois State Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Hills’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

DateBillHillsRep. majorityDem. majorityResult
May 31, 2026HB 5090: PROCUREMENT-CONSTRUCTIONNoNoYesPassed 42–12
May 31, 2026HB 4379: ADULT CHANGING STATIONSYesNoYesPassed 46–12
May 31, 2026HB 4571: COUNTIES CD-AFFORDABLE HOUSINGNoNoYesPassed 44–14
May 29, 2026HB 4758: JOB APPLICATION-DRIVER LICENSENoNoYesPassed 41–15
May 29, 2026HB 4339: SCH CD-HIGH SCH-REGISTER VOTERYesNoYesPassed 41–12

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Hills was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

YearRaceResultMarginSeat+/−
2026Illinois Legislative District 26LostD+15.0D+9.1−5.9

Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET

Campaign money, 2025–26

Raised
$1.4M
Spent
$1M
Cash
$418.5K

Source: Illinois State Board of Elections filings through Sep 30, 2026Updated Nov 1, 2026, 9:15 AM ET

Campaign committees

Open committees can still raise and spend money.

Citizens for Darby Hills
State
Active

Source: Illinois State Board of Elections filings through Sep 30, 2026Updated Nov 1, 2026, 9:15 AM ET

Who Hills has run against

Source: 99chambers results archive; 2026: civicAPI (unofficial)

How we know Hills

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:51 PM ET