The 23rd District includes Clarendon Hills, Downers Grove, Elmhurst, Glendale Heights, Hinsdale, Lombard, Oakbrook Terrace, Oak Brook, Villa Park, Western Springs, and Westmont.
The 23rd District includes Clarendon Hills, Downers Grove, Elmhurst, Glendale Heights, Hinsdale, Lombard, Oakbrook Terrace, Oak Brook, Villa Park, Western Springs, and Westmont.