* Core demographic data is based on information taken from the 2000 Census. Business data is from Business Census 2003 and CBSA data is from December 2006 Census CBSA data.
Algonquin - Lake in The Hills Chamber of Commerce , (847) 658-5300, www.algonquin-lith-chamber.com Illinois State Chamber of Commerce , (312) 987-7100, www.ilchamber.org