Endeavor is a village in Marquette County, Wisconsin, United States. The population was 468 at the 2010 census. Endeavor is located at 43°42′57″N 89°28′8″W / 43.71583°N 89.46889°W. According to the United States Census Bureau, the village has a total area of 0.79 square miles, of which, 0.73 square miles is land and 0.06 square miles is water.