CNN projects Catalina Lauf will be the Republican nominee in Illinois’ 11th District. Democrats currently control 13 of Illinois’ 18 US House seats. Illinois lost a seat after the 2020 census.

House District 11: Illinois Primary County Results (R)

Boone

Candidate % Votes
Catalina Lauf Republican %
Jerry Evans Republican %
Mark Carroll Republican %
Susan Hathaway-Altman Republican %
Cassandra Tanner Miller Republican %
Andrea Heeg Republican %

Cook Suburbs

Candidate % Votes
Mark Carroll Republican %
Jerry Evans Republican %
Catalina Lauf Republican %
Andrea Heeg Republican %
Susan Hathaway-Altman Republican %
Cassandra Tanner Miller Republican %

DeKalb

Candidate % Votes
Catalina Lauf Republican %
Mark Carroll Republican %
Jerry Evans Republican %
Susan Hathaway-Altman Republican %
Cassandra Tanner Miller Republican %
Andrea Heeg Republican %

DuPage

Candidate % Votes
Jerry Evans Republican %
Catalina Lauf Republican %
Mark Carroll Republican %
Susan Hathaway-Altman Republican %
Cassandra Tanner Miller Republican %
Andrea Heeg Republican %

Kane

Candidate % Votes
Catalina Lauf Republican %
Mark Carroll Republican %
Jerry Evans Republican %
Susan Hathaway-Altman Republican %
Andrea Heeg Republican %
Cassandra Tanner Miller Republican %

Lake

Candidate % Votes
Catalina Lauf Republican %
Mark Carroll Republican %
Jerry Evans Republican %
Susan Hathaway-Altman Republican %
Cassandra Tanner Miller Republican %
Andrea Heeg Republican %

McHenry

Candidate % Votes
Catalina Lauf Republican %
Jerry Evans Republican %
Mark Carroll Republican %
Susan Hathaway-Altman Republican %
Cassandra Tanner Miller Republican %
Andrea Heeg Republican %

Will

Candidate % Votes
Jerry Evans Republican %
Catalina Lauf Republican %
Mark Carroll Republican %
Susan Hathaway-Altman Republican %
Andrea Heeg Republican %
Cassandra Tanner Miller Republican %