Electoral MeridianIndependent Election Research

Forecasts. Results. Evidence.

Illinois · U.S. House

Illinois 12th District

Mike Bost wins. Called.

92% counted
CandidateVotesShare
Mike Bost R won 175,923 69.0%
Julie Fortier D 78,982 31.0%
Total254,905

Last vote update Nov 5, 2:55 PM. Polls closed Nov 3, 6:00 PM.

By county

PlaceVotes Margin2024 president ShiftCounted
St. Clair 37,235 R +12.5 — — 97%
Williamson 23,907 R +30.8 R +39.3 D +8.5 97%
Jackson 17,881 D +13.8 D +3.5 D +10.3 97%
Monroe 15,433 R +29.6 R +36.9 D +7.4 97%
Effingham 15,362 R +60.4 R +61.4 D +1.0 97%
Clinton 14,268 R +50.8 R +52.8 D +2.0 97%
Marion 12,522 R +49.4 R +50.2 D +0.8 91%
Jefferson 12,448 R +45.2 R +48.4 D +3.2 97%
Saline 7,722 R +46.2 R +49.7 D +3.4 89%
Franklin 7,191 R +38.4 R +51.2 D +12.8 50%
Perry 7,093 R +48.3 R +52.8 D +4.6 86%
Crawford 6,592 R +49.4 R +53.3 D +4.0 97%
Wayne 6,459 R +69.0 R +71.7 D +2.8 97%
Washington 5,799 R +55.2 R +58.0 D +2.8 90%
Richland 5,700 R +48.1 R +54.2 D +6.1 97%
Clay 5,435 R +68.1 R +68.4 D +0.3 97%
Coles 5,202 R +44.3 — — 100%
Cumberland 4,725 R +61.5 R +62.8 D +1.2 97%
Johnson 4,688 R +56.4 R +58.9 D +2.5 92%
Massac 4,616 R +42.9 R +49.2 D +6.2 97%
Jasper 4,448 R +64.3 R +66.0 D +1.6 90%
Lawrence 4,345 R +49.1 R +57.2 D +8.1 80%
Randolph 3,873 R +29.5 R +50.9 D +21.4 97%
Wabash 3,868 R +49.1 R +54.7 D +5.6 97%
White 3,836 R +64.0 R +60.1 R +3.8 63%

Shift is this race's margin minus the 2024 presidential margin in the same place. Places with votes that look copied or wildly out of line are flagged and left out of the race's overall shift.

Vote updates

TimeUpdateTotal votesMargin
+4,688 votes254,905R +38.0
+4,448 votes250,217R +37.7
+12,522 votes245,769R +37.2
+7,093 votes233,247R +36.5
+777 votes226,154R +36.2
+2,037 votes225,377R +36.2
+6,502 votes223,340R +35.8
+269 votes216,838R +38.4
+3,252 votes216,569R +38.4
+2,875 votes213,317R +38.1
+6,592 votes210,442R +37.6
+1,300 votes203,850R +37.3