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Who Is Running in Illinois Congressional District 11th in 2026?

Last updated: March 4, 2026

William Foster

(Incumbent)
D·Democrat

Economy

High

William Foster introduced the SECURE Minerals Act to bolster domestic critical mineral supply chains, stating this supports the nation’s strategic and economic security. He also voted against the 2026 Homeland Security funding bill due to concerns about Immigration and Customs Enforcement (ICE) operations, advocating for accountability for alleged abuses of power rather than increased funding.

Immigration

High

William Foster voted against the 2026 Homeland Security funding bill, citing concerns about ICE's abuses of power and excessive funding. He also voted against H.R. 2, calling it a "partisan stunt" that implemented "inhumane" Trump-era policies, diverting resources from CBP. Foster advocates for comprehensive immigration reform, including a strict but fair pathway to citizenship, and supports reversing counterproductive policies while protecting Dreamers. He also supports increased funding for CBP and high-tech border security.

Healthcare

Medium

Congressman William Foster voted against H.R. 6703, known as the Lower Health Care Premiums for All Americans Act. He has expressed criticism regarding unmet promises for affordable healthcare, citing that conditions have worsened. Foster also participated in a town hall to discuss healthcare, bringing a local clinic CEO to highlight the effects of federal decisions on families.

Republican Candidate

R · Republican

No Republican candidate has been confirmed for this race yet. Check back after the primary.

IssueWilliam Foster
Economy

William Foster introduced the SECURE Minerals Act to bolster domestic critical mineral supply chains, stating this supports the nation’s strategic and economic security. He also voted against the 2026 Homeland Security funding bill due to concerns about Immigration and Customs Enforcement (ICE) operations, advocating for accountability for alleged abuses of power rather than increased funding.

High
Immigration

William Foster voted against the 2026 Homeland Security funding bill, citing concerns about ICE's abuses of power and excessive funding. He also voted against H.R. 2, calling it a "partisan stunt" that implemented "inhumane" Trump-era policies, diverting resources from CBP. Foster advocates for comprehensive immigration reform, including a strict but fair pathway to citizenship, and supports reversing counterproductive policies while protecting Dreamers. He also supports increased funding for CBP and high-tech border security.

High
Healthcare

Congressman William Foster voted against H.R. 6703, known as the Lower Health Care Premiums for All Americans Act. He has expressed criticism regarding unmet promises for affordable healthcare, citing that conditions have worsened. Foster also participated in a town hall to discuss healthcare, bringing a local clinic CEO to highlight the effects of federal decisions on families.

Medium
Climate & Energy

William Foster achieved a 100% score from the League of Conservation Voters in 2024 and a 95% lifetime score, indicating strong support for environmental protection and climate action. He voted against the American Clean Energy and Security Act, which would have established a Cap and Trade system. His climate stance generally aligns with opposing measures that favor fossil fuels.

Medium
Abortion & Reproductive Rights

William Foster has consistently voted to support abortion and reproductive rights, including the Women’s Health Protection Act, the Ensuring Women's Right to Reproductive Freedom Act, and the Right to Contraception Act. He voted against a 20-week abortion ban and holds a 100% pro-choice lifetime score from Planned Parenthood Action. He states that abortion decisions are best left between a woman and her doctor and advocates for codifying reproductive healthcare access nationwide.

High
Foreign Policy

William Foster voted against the 2026 Homeland Security funding bill. He stated his vote was due to concerns about increased funding for ICE despite alleged abuses of power, and called for increased accountability and good-faith negotiations to improve immigration enforcement.

High
Education

William Foster champions "education freedom," citing polling data that shows strong public support for it across various demographics. He advocates for K-12 decisions to be made at the local level rather than by the federal government, proposing that federal education funding be block granted to states. Foster also supports universal access to public schools, Education Savings Accounts, and tax credits for family education expenses.

High
Gun Policy

Congressman William Foster supports measures to reduce gun violence, including banning military-style assault weapons and implementing universal background checks for all gun buyers. He voted for legislation to prohibit the sale and possession of semiaemiautomatic assault weapons and high-capacity magazines, citing the goal of saving lives and making communities safer. He also supported the Bipartisan Safer Communities Act, H.R. 8, and H.R. 1112.

High

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