Beaver Dam Township is one of ten townships in Butler County, Missouri, USA. As of the 2010 census, its population was 4,473. Beaver Dam Township covers an area of 76.01 square miles and contains no incorporated settlements. It contains nine cemeteries: Bay Springs, Cochran, Dickens, Dunning, Hudgens, Kinsey, Lone Hill, Military and …Beaver Dam Township is one of ten townships in Butler County, Missouri, USA. As of the 2010 census, its population was 4,473. Beaver Dam Township covers an area of 76.01 square miles and contains no incorporated settlements. It contains nine cemeteries: Bay Springs, Cochran, Dickens, Dunning, Hudgens, Kinsey, Lone Hill, Military and Montgomery.