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Member brief · 119th Congress

Rep. Jonathan L. Jackson

D · Democrat · U.S. Representative, Illinois 1st District1

In Congress
Since 2023 · 3 years
 Election held
Nov 3, 2026
 Committee leadership
Ranking Member, Oversight and Intelligence

CommitteesAgriculture; Foreign Affairs2

Participation3

92 / 100

Chamber median 98
622 of 674 roll calls

Party unity3

98 / 100

Chamber median 98
on 446 party-line votes

Cross-party agreement3

10 / 100

Chamber median 12
on 496 contested votes

Ideology score4

−0.35

Chamber median +0.19
−1 left · +1 right

Notable votes and votes by issue

In the full brief: five notable recent votes chosen by a fixed rule (most recent breaks with party first), each with the member’s vote, the party’s position and a source, plus how often Jackson votes with the party on each issue.

Full briefs are part of Oathstar Pro. Team plans add alignment with your own scorecard and your PAC’s giving.

Money and lobbying

In the full brief: how many of Jackson’s PACs belong to organizations that lobbied on bills Jackson voted on or cosponsored, with the dollars beside the chamber median; the top bills; campaign totals and the top PACs.

Full briefs are part of Oathstar Pro.

Votes most like5

D Pablo José Hernández PR-AL 100% of 69
D Adelita S. Grijalva AZ-7 98% of 297
D Mark Takano CA-39 98% of 494

Share of roll calls both voted on where they voted the same way.

2026 race

Nov 3, 2026 · Election held · Not yet called6

Election held Nov 3 · Not yet called

Ballot not yet checked

Data as of Nov 7, 2026 · votes through Sep 16, 2026 · Method: https://oathstar.com/methodology · Live profile: https://oathstar.com/people/jonathan-l-jackson

  1. 1. Member record and terms: congress.gov; unitedstates/congress-legislators, retrieved 2026-11-07. www.congress.gov/people/J000309
  2. 2. Committees: unitedstates/congress-legislators, retrieved 2026-11-07. github.com/unitedstates/congress-legislators
  3. 3. Participation, party unity, cross-party agreement, votes by issue: Oathstar from Voteview roll calls, 119th Congress, retrieved 2026-11-07. voteview.com/person/22330
  1. 4. Ideology: DW-NOMINATE first dimension, Voteview, 119th Congress. voteview.com/person/22330
  2. 5. Votes most like: Oathstar from Voteview roll calls, 119th Congress. voteview.com/data
  3. 6. Candidates: FEC filings, 2026 IL-1 race, retrieved 2026-11-06. www.fec.gov/data/elections/house/IL/01/2026/

Prepared with Oathstar · oathstar.com

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