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American Ascent

Member brief No. IL-11

Reviewed October 31, 2026

IL-11 · Illinois

Bill Foster

Democrat. Harris won Illinois in 2024. Not flagged for 2032 redistricting risk.

Age on Election Day 2028
73
Born October 7, 1955.
Lean
D+6
Lean Democratic. Cook PVI, 2026 lines.
In the House since
2013
Served since January 3, 2013. Earlier service: 2008 to 2011.
Cash on hand
$2.63M
$2,629,689. Reporting period ended October 14, 2026

The 2026 race

November 3, 2026
Re-elected

Over Jeff Walter (R). Called by NBC News on November 4, 2026.

Primary
Unopposed

The only name on the ballot, March 17.

Endorsements, 2026

Endorsed: Hakeem Jeffries.

None on record: Justice Democrats, Working Families Party, Congressional Progressive Caucus PAC, Democratic Socialists of America.

What a race here costs

TV: Chicago, 3.65 million homes. The district is 7.4% of the market; 2 markets in all.

2026 primary: $632K spent, $9.08 a vote

2024 general: $1.2M spent, $3.37 a vote

In the House, 119th Congress

  • Ranking Member of the Financial Services subcommittee on Financial Institutions

Committees: Financial Services · Science, Space, and Technology

General-election outcomes

2024 vote share
55.56%
Victory margin
+11.18 pts
Harris, 2024
54.96% · +11.43 pts

Margin 0.26 points below Harris. Vote share 0.60 points above.

2024 election districts. Valid votes; margin over the runner-up. Runner-up: Jerry Evans. Returns · Harris baseline · Method. Reviewed November 5, 2026.

Money, past cycles

Money raised, the share from individual donors, and cash on hand, by past cycle
CycleRaisedFrom individualsCash at year end
2020$2.4M52%$3.7M
2022$3.3M67%$805K
2024$3.3M62%$1.6M

Scorecards and grades

Conservative average, out of 100
10.4
Progressive average, out of 100
95.9 (LCV 96, Progressive Punch 92, Stop Corruption Now 100)
IAP Action score, immigration
-121, rank 326 of 431
Gun Owners of America grade, 2024
F

Read October 31, 2026 from the member’s page on heritageaction.com, clubforgrowth.org, tpaction.com, gopscorecard.limitedgov.org.