CNN projects Rep. Mike Bost will be the Republican nominee in Illinois’ 12th District. Democrats currently control 13 of Illinois’ 18 US House seats. Illinois lost a seat after the 2020 census.

House District 12: Illinois Primary County Results (R)

Alexander

Candidate(s) % Votes
Bost Incumbent %

Clark

Candidate(s) % Votes
Bost Incumbent %

Clay

Candidate(s) % Votes
Bost Incumbent %

Clinton

Candidate(s) % Votes
Bost Incumbent %

Coles

Candidate(s) % Votes
Bost Incumbent %

Crawford

Candidate(s) % Votes
Bost Incumbent %

Cumberland

Candidate(s) % Votes
Bost Incumbent %

Edwards

Candidate(s) % Votes
Bost Incumbent %

Effingham

Candidate(s) % Votes
Bost Incumbent %