Members of the Illinois Republican Party State Central Committee for 2018-2022 are as follows:
Congressional District 1
• Shaun Murphy, Evergreen Park
Congressional District 2
• Judy Diekelman, Thornton
Congressional District 3
• Sean Morrison, Palos Park
Congressional District 4
• Jay Reyes, Riverside
Congressional District 5
• Jack Dorgan, Rosemont
Congressional District 6
• Bob Grogan, Downers Grove
Congressional District 7
• Mark Hosty, River Forest
Congressional District 8
• Ryan Higgins, Schaumburg
Congressional District 9
• Char Foss-Eggmann, Park Ridge
Congressional District 10
• Mark Shaw, Lake Forest
Congressional District 11
• Roger Claar, Bolingbrook
Congressional District 12
• Barb Viviano, O’Fallon
Congressional District 13
• Fred Floreth, Springfield
Congressional District 14
• Stan Bond, Montgomery
Congressional District 15
• Chapin Rose, Mahomet
Congressional District 16
• John McGlasson, Pontiac
Congressional District 17
• Jan Weber, Geneseo
Congressional District 18
• Mike Bigger, Wyoming