Our mission is to continuously improve the quality of life of Hanover Township residents by providing a unique array of quality, cost effective, community-based services acting as a dynamic organization that delivers services in a responsible and respectful manner. Hanover Township serves over 105,000 residents in the Cook County communities of Streamwood, Elgin, Bartlett, Hanover Park, Hoffman Estates, Schaumburg, and the unincorporated areas. Hanover Township's borders are I-90 to the north, Barrington Road to the east, the Cook-DuPage border to the south and the Cook-Kane border to the west.