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Illinois

McHenry County, Illinois presidential election results

In 2024 Donald J. Trump won McHenry County by 5.3 points, out of 161,699 votes for president.

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D+30R+30D+15R+152000: R+20.220002004: R+20.420042008: D+5.320082012: R+8.820122016: R+7.620162020: R+2.520202024: R+5.32024
McHenry County margin: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.
TicketVotesShareBar
Donald J. Trump REP83,93351.9%
Kamala Harris DEM75,37046.6%
All other candidates2,3961.5%
Total161,699

McHenry County was R+5.3 against D+10.9 statewide, 16.2 points more Republican than the state.

Source: County results compiled by Tony McGovern from news-media election-night tallies (Fox News, Politico, The New York Times); not a certified state document

TicketVotesShareBar
Donald J. Trump REP82,26050.0%
Joseph R. Biden DEM78,15447.5%
All other candidates4,1642.5%
Total164,578

McHenry County was R+2.5 against D+17.0 statewide, 19.5 points more Republican than the state.

Source: County results compiled by Tony McGovern from news-media election-night tallies (Fox News, Politico, The New York Times); not a certified state document

TicketVotesShareBar
Donald J. Trump REP71,61250.5%
Hillary Clinton DEM60,80342.9%
All other candidates9,3356.6%
Total141,750

McHenry County was R+7.6 against D+17.1 statewide, 24.7 points more Republican than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

TicketVotesShareBar
Mitt Romney REP71,59853.5%
Barack Obama DEM59,79744.7%
All other candidates2,4491.8%
Total133,844

McHenry County was R+8.8 against D+16.9 statewide, 25.7 points more Republican than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

TicketVotesShareBar
Barack Obama DEM72,28851.9%
John McCain REP64,84546.6%
All other candidates2,1351.5%
Total139,268

McHenry County was D+5.3 against D+25.1 statewide, 19.8 points more Republican than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

TicketVotesShareBar
George W. Bush REP76,41259.7%
John Kerry DEM50,33039.3%
All other candidates1,2060.9%
Total127,948

McHenry County was R+20.4 against D+10.3 statewide, 30.7 points more Republican than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

TicketVotesShareBar
George W. Bush REP62,11258.5%
Albert Gore, Jr. DEM40,69838.3%
All other candidates3,3753.2%
Total106,185

McHenry County was R+20.2 against D+12.0 statewide, 32.2 points more Republican than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

Questions and answers

Who won McHenry County, Illinois in 2024?

Donald J. Trump won McHenry County by 5.3 points, out of 161,699 votes counted for president.

Is McHenry County Republican or Democratic?

Presidential results: 2024: Republican by 5.3 points; 2020: Republican by 2.5 points; 2016: Republican by 7.6 points; 2012: Republican by 8.8 points; 2008: Democratic by 5.3 points; 2004: Republican by 20.4 points; 2000: Republican by 20.2 points.

How does McHenry County vote compared with the rest of Illinois?

In 2024 it was 16.2 points more Republican than the state as a whole (Republican by 5.3 points against Democratic by 10.9 points statewide).

Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data