Lake County Illinois offers you a wonderful blend of serene tranquility and sophisticated amenities. Enjoy fishing and boating on the Chain O' Lakes. Enjoy nature walking or biking in one of the many Lake County Forest Preserves or Dog Parks. Communities include Buffalo Grove, Deerfield, Hawthorn Woods, Lake Bluff, Lake Villa, Libertyville, Lincolnshire, Grayslake, Green Oaks, Riverwoods, Long Grove, Mundelein, Ivanhoe, Gurnee, Vernon Hills and Wauconda