The 30th Senate District, being north of Chicago, encompasses a mixture of urban communities and small towns within those communities. The district incorporates all or portions of the following communities: Beach Park, Buffalo Grove, Green Oaks, Gurnee, Indian Creek, Knollwood, Lake Bluff, Lake Forest, Libertyville, Lincolnshire, Long Grove, Mettawa, Mundelein, North Chicago, Park City, Riverwoods, Vernon Hills, Wadsworth, Waukegan and Wheeling.
Major employers in district communities include Allstate Insurance, Baxter International, Six Flags Great America, Motorola, Medline Hospital Supplies, Abbott Labs, Grainger, Discover and ACCO Brands.
