Harrison Charter Township is a charter township and a census-designated place (CDP) of Macomb County in the U.S. state of Michigan. As of the 2000 census, the population was 24,461. The 2008 Census Bureau Estimate places the population at 26,004.CommunitiesThere are two unincorporated communities in the Township/CDP: Lakeside is located a few miles southeast of Mount Clemens on the L'anse Creuse Bay of Lake St. Clair just east of Interstate 94 and just north of the Clinton River canal at. The area was projected in approximately 1900, mostly backed by financing from Pittsburgh, Pennsylvania capitalists who hoped to make it into a lake port for Mount Clemens. However, it did not develop much more than having an interurban rail connection with the city.Saint Clair Haven, or Clair Haven is located on Campau Bay of the Lake Saint Clair. Belvedere was a village at the mouth of the Clinton River. It was established in 1837 but flooded the following year and was abandoned.GeographyAccording to the United States Census Bureau, the township has a total area of 23.8sqmi, of which 14.3sqmi is land and 9.4sqmi (39.79%) is water.