Thorp is a city in Clark County in the U.S. state of Wisconsin. The population was 1,621 at the 2010 census. The city is located partiall…Thorp is a city in Clark County in the U.S. state of Wisconsin. The population was 1,621 at the 2010 census. The city is located partially within the Town of Thorp and partially within the Town of Withee.