Nessel Township is a township in Chisago County, Minnesota, United States. The population was 1,951 at the 2010 census. Nessel Township is located in the northwest corner of Chisago County and is bordered by Isanti County to the west and Pine County to the north. Rush City lies on the eastern border of the township. The unincorporated community o…Nessel Township is a township in Chisago County, Minnesota, United States. The population was 1,951 at the 2010 census. Nessel Township is located in the northwest corner of Chisago County and is bordered by Isanti County to the west and Pine County to the north. Rush City lies on the eastern border of the township. The unincorporated community of Rush Point is in the southwest part of the township.