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2026 midtermsResults

2026 results · Illinois

Juliana Stratton, the Democrat, wins Illinois’s Senate race by 24.3 points

Kamala Harris carried Illinois by 11.0 points in 2024; the Senate race moved 13.3 points toward Democrats.

In the House, every one of the 17 contested seats moved toward Democrats, the median one 15.6 points.

Who won each county, and how far it moved

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Illinois’s 17 House seats

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Before14–3
202614–3

Solid: won. The tick marks a majority (9 of 17).

The seat that decided the majority: IL-11, D+28.6, a district that voted D+11.3 for president in 2024.

Every seat, 2024 to 2026. Open circle: the 2024 presidential margin in the district. Filled: the 2026 House margin. Ordered from the most Democratic result to the most Republican; the rule marks the 9 seats needed for a majority.
  1. IL-07La Shawn FordD+78.4← 13.9
  2. IL-04Patty GarciaD+55.0← 27.0
  3. IL-03Delia RamirezD+53.2← 22.1
  4. IL-09Daniel K. BissD+52.4← 16.4
  5. IL-05Mike QuigleyD+52.1← 15.5
  6. IL-02Donna MillerD+46.4← 13.6
  7. IL-01Jonathan JacksonD+43.3← 11.7
  8. IL-10Brad SchneiderD+40.0← 18.2
  9. IL-11Bill FosterD+28.6← 17.2
  10. IL-08Melissa BeanD+28.3← 21.5
  11. IL-06Sean CastenD+25.7← 20.2
  12. IL-13Nikki BudzinskiD+25.3← 14.9
  13. IL-14Lauren UnderwoodD+25.1← 20.0
  14. IL-17Eric SorensenD+20.3← 15.6
  15. IL-16Darin LaHoodR+17.6← 4.9
  16. IL-15Mary MillerR+33.8← 5.6
  17. IL-12Mike BostR+39.3← 3.7

← moved toward Democrats, → toward Republicans, in points from the 2024 presidential vote in the district. * still counting: the expected finish.

Close up: the four counties that moved most

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Each county’s move from the 2024 presidential vote in the Senate race; the maps above show the result beside it.

In the Senate race, these moved furthest toward Democrats, among counties with 2,000 or more votes in 2024 and at least half a percent of the state’s.

  1. Kendall County

    Moved 18.4 points toward Democrats: D+1.5 for president in 2024; Juliana Stratton, the Democrat, carried it at D+19.9.

    49,085 votes counted, 65,970 cast in 2024.

  2. Cook County

    Moved 18.1 points toward Democrats: D+42.0 for president in 2024; Juliana Stratton, the Democrat, carried it at D+60.1.

    1,453,596 votes counted, 2,056,800 cast in 2024.

  3. Will County

    Moved 17.7 points toward Democrats: D+1.6 for president in 2024; Juliana Stratton, the Democrat, carried it at D+19.3.

    229,189 votes counted, 324,971 cast in 2024.

  4. Kane County

    Moved 17.5 points toward Democrats: D+9.4 for president in 2024; Juliana Stratton, the Democrat, carried it at D+26.9.

    166,523 votes counted, 222,364 cast in 2024.

7 counties moved the other way, toward Republicans, the furthest Schuyler County, Brown County and Hancock County.

Who lives where it moved

Across counties, ten more points of adults with a degree went with a county about 3.6 points more Democratic, on average (r = 0.66, a strong relationship).

R+20R+15R+10R+50D+5D+10D+15D+2010%20%30%40%50%60%% with a bachelor's degree →↑ moved toward Democrats from 2024

By place

Urban3 counties, 2,016,124 votes16.9 pts → D
Suburban19 counties, 1,374,113 votes13.5 pts → D
Rural79 counties, 684,421 votes4.9 pts → D

By race and ethnicity

Black residents 30% or more1 county, 2,124 votes2.8 pts → D
Hispanic residents 30% or more1 county, 166,523 votes17.5 pts → D
White non-Hispanic 85% or more66 counties, 569,566 votes4.8 pts → D
Every other county33 counties, 3,336,445 votes14.9 pts → D

Each group’s counties added together: its 2026 margin against its 2024 presidential margin. Census Bureau American Community Survey, 2019–2023. Counties, not voters: there are no exit polls here.

Every race in Illinois

Senate and governor

SenateJuliana Stratton Dover Don Tracy (R)D+24.3D+11.013.3 pts → DwonGovernorJB Pritzker Dover Darren Bailey (R)D+23.5D+11.012.5 pts → Dwon

House · Closest first

District 16Darin LaHood Rover Paul Nolley (D)R+17.6R+22.54.9 pts → DwonDistrict 17Eric Sorensen Dover Dillan Vancil (R)D+20.3D+4.715.6 pts → DwonDistrict 14Lauren Underwood Dover James Marter (R)D+25.1D+5.120.0 pts → DwonDistrict 13Nikki Budzinski Dover Jeff Wilson (R)D+25.3D+10.414.9 pts → DwonDistrict 6Sean Casten Dover Niki Conforti (R)D+25.7D+5.420.2 pts → Dwon

Other statewide offices

ComptrollerMargaret Croke Dover Bryan Drew (R)D+22.1D+11.011.1 pts → DwonAttorney GeneralKwame Raoul Dover Bob Fioretti (R)D+23.2D+11.012.3 pts → DwonTreasurerMike Frerichs Dover Max Solomon (R)D+24.3D+11.013.4 pts → DwonSecretary of StateAlexi Giannoulias Dover Diane Harris (R)D+29.5D+11.018.6 pts → Dwon

Margins are the winner’s or leader’s lead in points of all votes cast. * Still counting: where we expect the count to finish. The move is the 2026 margin against the 2024 presidential margin on the same ground, for races between a Democrat and a Republican.

Ticket splitting

Compare

Across the 102 counties, the Senate race went D+24.3 and the governor's race D+23.5: the Senate margin ran 0.8 points more Democratic than the governor's. One county was carried by different parties in the two.

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Points of difference between the Senate margin and the governor's in each county.

Sen. D, Gov. RSen. R, Gov. DR+80R+40R+4000D+40D+40D+80D+80same margin in both ↗Governor marginSenate margin
Each circle is a county, its area the votes cast. Above the line the Senate Democrat did better than the governor Democrat; below it, worse.

17003carried by different parties

Senate
R+4.7Stratton against Tracy
Governor
D+46.6Pritzker against Bailey
Difference
R+51.3Tracy ran ahead
Votes
about 359
Most votes firstSen.Gov.Diff.
  • 17031D+60.1D+61.0R+0.9
  • 17043D+28.9D+30.3R+1.4
  • 17197D+19.3D+18.6D+0.7
  • 17097D+34.4D+36.4R+2.0
  • 17089D+26.9D+27.2R+0.3
  • 17111D+11.0D+11.0R+0.1
  • 17119R+0.7R+4.1D+3.4
  • 17163D+17.4D+15.3D+2.1
  • 17201D+12.8D+10.9D+1.9
  • 17167D+1.0D+4.0R+3.0
  • 17019D+32.3D+32.0D+0.3
  • 17113D+15.2D+14.5D+0.7
  • 17143D+14.9D+12.9D+1.9
  • 17179R+19.2R+22.7D+3.5
  • 17093D+19.9D+18.4D+1.5
  • 17161D+25.5D+22.5D+3.0
  • 17099R+7.0R+9.5D+2.5
  • 17037D+15.7D+13.9D+1.9
  • 17091R+6.6R+9.4D+2.8
  • 17115R+10.9R+13.2D+2.3
  • 17001R+48.2R+51.2D+3.0
  • 17199R+30.2R+38.0D+7.8
  • 17141R+21.7R+25.4D+3.7
  • 17073R+17.8R+22.3D+4.5
  • 17195R+6.0R+11.4D+5.4
  • 17063R+15.2R+18.6D+3.4
  • 17077D+13.7D+8.2D+5.6
  • 17007R+3.0R+5.4D+2.3
  • 17117R+31.4R+37.1D+5.8
  • 17095R+3.5R+7.4D+4.0
  • 17029R+22.4R+26.1D+3.7
  • 17203R+40.0R+42.8D+2.8
  • 17177R+14.8R+18.0D+3.2
  • 17049R+58.5R+63.2D+4.8
  • 17133R+28.7R+32.2D+3.4
  • 17183R+43.3R+48.4D+5.1
  • 17027R+48.3R+54.3D+6.0
  • 17121R+47.6R+53.9D+6.3
  • 17055R+43.5R+52.6D+9.1
  • 17081R+42.9R+50.4D+7.5
  • 17105R+42.7R+45.5D+2.8
  • 17103R+16.0R+19.6D+3.6
  • 17011R+19.3R+24.7D+5.4
  • 17057R+16.4R+22.4D+5.9
  • 17021R+39.5R+44.1D+4.6
  • 17137R+31.4R+31.6D+0.2
  • 17157R+43.6R+49.6D+6.0
  • 17085R+11.6R+16.3D+4.8
  • 17135R+35.5R+42.0D+6.5
  • 17075R+52.1R+56.9D+4.8
  • 17107R+38.6R+41.4D+2.9
  • 17109R+17.8R+21.5D+3.7
  • 17173R+56.8R+62.1D+5.2
  • 17083R+44.1R+47.7D+3.6
  • 17165R+44.7R+55.1D+10.4
  • 17051R+62.0R+68.3D+6.2
  • 17147R+22.8R+25.4D+2.6
  • 17033R+48.9R+56.9D+8.0
  • 17191R+67.8R+73.9D+6.1
  • 17145R+53.2R+60.8D+7.6
  • 17041R+40.5R+43.8D+3.3
  • 17023R+47.5R+55.5D+8.0
  • 17131R+21.3R+27.9D+6.6
  • 17005R+38.1R+45.0D+7.0
  • 17015R+29.2R+35.2D+5.9
  • 17039R+38.2R+41.8D+3.6
  • 17189R+51.2R+56.8D+5.6
  • 17045R+46.6R+51.5D+4.9
  • 17187R+23.1R+26.5D+3.5
  • 17149R+61.6R+65.8D+4.2
  • 17159R+47.5R+53.4D+5.9
  • 17181R+40.9R+49.7D+8.8
  • 17025R+65.4R+71.7D+6.3
  • 17067R+58.6R+64.1D+5.4
  • 17193R+52.8R+63.3D+10.6
  • 17129R+35.8R+37.6D+1.8
  • 17139R+45.8R+50.1D+4.3
  • 17125R+33.3R+40.2D+6.9
  • 17053R+43.4R+46.8D+3.4
  • 17035R+59.5R+64.3D+4.7
  • 17123R+31.1R+34.8D+3.7
  • 17087R+54.0R+60.7D+6.7
  • 17061R+54.5R+60.7D+6.2
  • 17127R+41.2R+45.8D+4.5
  • 17079R+63.6R+71.1D+7.5
  • 17101R+48.2R+58.7D+10.5
  • 17017R+33.5R+37.4D+3.9
  • 17185R+48.1R+56.6D+8.5
  • 17065R+57.5R+65.9D+8.4
  • 17071R+31.9R+41.5D+9.6
  • 17047R+67.6R+74.1D+6.5
  • 17155R+9.0R+16.9D+8.0
  • 17171R+61.8R+64.9D+3.1
  • 17153R+31.4R+41.1D+9.7
  • 17013R+44.9R+55.9D+11.0
  • 17175R+42.7R+47.3D+4.6
  • 17169R+62.4R+65.7D+3.3
  • 17059R+40.5R+56.9D+16.4
  • 17009R+68.7R+66.0R+2.8
  • 17151R+54.1R+59.5D+5.4
  • 17069R+54.0R+60.7D+6.6
  • 17003R+4.7D+46.6R+51.3

Margins are the Democrat minus the Republican in points of all votes cast in that race, from the counts the state’s election office has published so far; a county still counting is compared on what it has counted in both. A difference is not a count of split tickets: a voter who skipped one race moves it too.

Illinois’s legislature

Senate39 of 59 seats on the ballotBefore40–19Leaders45–145 seats are led by another party than held them. Democrats keep control.Every district, mapped →House118 of 118 seats on the ballotBefore78–40Leaders83–355 seats are led by another party than held them. Democrats keep control.Every district, mapped →

Counts are Illinois’s official state and county counts. Where a race is still being counted, its margin is where we expect the count to finish, marked *. A move from 2024 is the 2026 margin against Kamala Harris’s margin over Donald Trump in the same place. A race is won when we call it or the state certifies it.