DemocratIn office since Nov 2010

Thaddeus Jones

Illinois State Representative, District 29 since 2010. Re-elected in 2026. Next on the ballot in 2028.

Illinois State Representative, District 29

In office
16 yrs
Since 2010
Bills became law
6
34 sponsored, 2025–2026 session
Votes missed
27.1%
Chamber median 3.8%
With party
100%
On votes splitting the parties
Last margin
+97.4
Won 2024
Next election
2028
Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET

Committees

As of 2026-10.

  • Insurance · chair
  • Judiciary: Civil
  • Labor and Commerce
  • Prescription Drug Affordability and Accessibility

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

Legislation

2025–2026 session · 34 sponsored · 6 became law
BillIntroCmteHouseSenateLaw
HB 4273 CORPORATE OPPORTUNITIES
Became law Aug 2026
SB 714 REGULATION-TECH
Became law Aug 2026
SB 4006 CLIMATE RISK & STRENGTHEN HOME
Became law Jun 2026
HB 3756 BENEFITS EXCHANGE EASY ENROLL
Became law Aug 2025
SB 1418 INS CD-PERIPHERAL ARTERY TEST
Became law Aug 2025

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

Voting record

2025–2026 session · placement by roll-call votes

Where Jones sits in the Illinois House of Representatives

Jones is closer to the center than 46% of the chamber's Democrats.

Dem. medianRep. medianJonesMore liberalMore conservative

Closest: Hoan Huynh, Ann Williams, Jaime Andrade

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:49 PM ET

With Jones’s party

  • Votes with the chamber's Democrats100%
  • Cosponsorships of the other party's bills12%

Black tick: the average of Democrats in the Illinois House of Representatives.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

DateBillJonesDem. majorityRep. majorityResult
May 31, 2026SB 3222: VIDEO STREAMING AD VOLUMEYesYesNoPassed 77–31
May 29, 2026SB 2762: INS-SEIZURE DETECTION DEVICEYesYesNoPassed 82–25
May 27, 2026SB 3020: DOMESTIC VIOLENCE-HARASSMENTYesYesNoPassed 91–23
May 21, 2026SB 2770: LOC FIRST RESPONDER INSURANCEYesYesNoPassed 89–21
Apr 17, 2026HB 4379: ADULT CHANGING STATIONSNot votingYesNoPassed 72–18

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

Career

Offices held, and every time Jones 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 Representative District 29Won—D+41.8—
2024Illinois House of Representatives, District 29WonD+97.4——
2022Illinois House of Representatives, District 29WonD+39.0——
2020Illinois House of Representatives, District 29Won———
2018Illinois House of Representatives, District 29Won———
2016Illinois House of Representatives, District 29Won———
2014Illinois House of Representatives, District 29Won———
2014Illinois House of Representatives, District 29 (primary)Won+46.5——
2012Illinois House of Representatives, District 29Won———
2010Illinois House of Representatives, District 29WonD+66.0——

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

Campaign money, 2025–26

Raised
$448.6K
Spent
$451.7K
Cash
$78.6K

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 Jones
State
Active
Jones for State Representative
State
Active

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

Seats Jones has held

Source: 99chambers results archive

Who Jones has run against

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

How we know Jones

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:52 PM ET