Unincorporated Leyden Township is home to approximately 10,000 residents. Unincorporated Leyden utilizes the Melrose Park Postal Service and uses the Northlake zip code of 60164. The Leyden Fire Protection District and Cook County Sheriff's Police protect the unincorporated area.
Our Highway Department maintains 24 miles of roadway including repair and drainage. The Highway Department also assists Leyden Fire Protect and Northlake Fire Protection during emergencies. Our Sewer and Water department maintain 35 miles of water piping that distribute water and sanitary sewer service to all unincorporated Leyden Township and parts of Northlake and Franklin Park.