Calumet Township is one of 29 townships in Cook County, Illinois, United States. As of the 2010 census, its population was 20,777. Geography According to the United States Census Bureau, Calumet Township covers an area of ; of this, , or 94.21 percent, is land and , or 5.79 percent, is water. Cities, towns, villages Blue Island (eastern half) Calumet Park Chicago (small part of Riverdale neighborhood) Riverdale (northern half) Adjacent townships Thornton Township (southeast) Bremen Township (southwest) Worth Township (west) Cemeteries The township contains Cedar Park Cemetery. Major highways Interstate 57 Illinois Route 1 Rivers Little Calumet River Landmarks Calumet Woods (Cook County Forest Preserves) Whistler Preserve (Cook County Forest Preserves) Demographics Political districts Illinois's 1st congressional district State House District 27 State House District 28 State House District 30 State Senate District 14 State Senate District 15 References Bibliography United States Census Bureau 2007 TIGER/Line Shapefiles United States National Atlas Notes External links City-Data.com Townships in Cook County, Illinois Townships in Illinois