Mercer County

County

Federal and statewide offices that appear on every Mercer County ballot. Your exact congressional and state-legislative district seats depend on your address.

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Federal

President of the United StatesDonald J. Trump(R)US Senate, IllinoisTammy Duckworth(D)US Senate, IllinoisRichard J. Durbin(D)Vice President of the United StatesJD Vance(R)

State

Attorney General of IllinoisKwame Raoul(D)Governor of IllinoisJB Pritzker(D)Justice, Illinois Supreme CourtSanjay Tailor(D)Justice, Illinois Supreme CourtP. Scott Neville(D)Justice, Illinois Supreme CourtDavid K. Overstreet(R)Justice, Illinois Supreme CourtElizabeth M. Rochford(D)Justice, Illinois Supreme CourtJoy Cunningham(D)Justice, Illinois Supreme CourtLisa Holder White(R)Justice, Illinois Supreme CourtMary Kay O'Brien(D)Lieutenant Governor of IllinoisJuliana Stratton(D)Secretary of State of IllinoisAlexi Giannoulias(D)State Treasurer of IllinoisMike Frerichs(D)

Data as of July 18, 2026.

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