CNN projects Rep. Mary Miller will be the Republican nominee in Illinois’ 15th District. Democrats currently control 13 of Illinois’ 18 US House seats. Illinois lost a seat after the 2020 census.

House District 15: Illinois Primary County Results (R)

Adams

Candidate % Votes
Mary Miller Republican, Incumbent %
Rodney Davis Republican, Incumbent %

Bond

Candidate % Votes
Mary Miller Republican, Incumbent %
Rodney Davis Republican, Incumbent %

Brown

Candidate % Votes
Mary Miller Republican, Incumbent %
Rodney Davis Republican, Incumbent %

Calhoun

Candidate % Votes
Mary Miller Republican, Incumbent %
Rodney Davis Republican, Incumbent %

Cass

Candidate % Votes
Mary Miller Republican, Incumbent %
Rodney Davis Republican, Incumbent %

Champaign

Candidate % Votes
Rodney Davis Republican, Incumbent %
Mary Miller Republican, Incumbent %

Christian

Candidate % Votes
Rodney Davis Republican, Incumbent %
Mary Miller Republican, Incumbent %

Coles

Candidate % Votes
Mary Miller Republican, Incumbent %
Rodney Davis Republican, Incumbent %

De Witt

Candidate % Votes
Rodney Davis Republican, Incumbent %
Mary Miller Republican, Incumbent %