Elections Intelligence

Illinois 4th District

OPEN SEATLikely D to Safe D

Jesús G. "Chuy" García (D) has held this seat since 2019 and is not running. Before that: Luis V. Gutiérrez (D).

Patty Garcia Open-seat nominee
97.1¢
Candidate market · checked 2:09 PM ETView on Kalshi ↗
3.5¢
Lupe Castillo Open-seat nominee

FTP Race Signal

FTP Race SignalA composite of market, polling and money. The prediction-market price anchors it; a polling average moves it: the last 30 days, or the three most recent pollsters when fewer polled. Polls paid for by a candidate, party or allied group move 2 points toward the other side and count half. When the three most recent independent pollsters each have the race within three points, it is a Toss-up unless the market is already decisive. Fundraising counts only at a five-to-one gap. Past results are context, not inputs. A rating changes only when the evidence clears the line.

The market prices this seat about where its history left it: a 40-point Democratic hold in 2024, priced at 97.1¢ today.

Safe D
Safe DLikely DLean DToss-upLean RLikely RSafe R
Prior result · Safe DD+40.2 in 2024. Market · Safe DD 97.1¢: traders' price for a Democratic hold. Polling · Likely DD+19 (The Bullfinch Group, Aug 3).

Market and polls both favor Garcia.

As of October 12.

Market

BandPRICEToss-up50¢ to 65¢Lean65¢ to 82¢Likely82¢ to 95¢Safe95¢ and above
D 97.1¢

Kalshi market · checked 2:09 PM ET

View market on Kalshi ↗

Polling

BandPOINTSToss-up0 to 5Lean5 to 10Likely10 to 20Safe20 and above
D+19
The Bullfinch Group ↗ C- Jul 31 to Aug 3 · n=653 RV D+19 Independent

The latest poll on file.

Prior result

BandPOINTSToss-up0 to 5Lean5 to 12Likely12 to 25Safe25 and above
D+40.2

Chuy García (D)

67.5% to 27.3% · 2024 general election

def. Lupe Castillo (R). Margin verified against retrieved official results.

Fundraising

BandRATIO TO 1Parity1 to 5Lean5 and above
—

Raised 2025 to 2026 · thru Jun 30

Patty Garcia$358.7K ↗$185.5K cash

No report on file with the Federal Election Commission for Lupe Castillo as of October 4, 2026 · LUPE CASTILLO FOR CONGRESS.

Total receipts in the 2025 to 2026 two-year cycle, through June 30, 2026; only Garcia has a figure on file, so there is no ratio.

The general election is on November 3, which is 22 days away.