Greenwood is a city in Clark County, Wisconsin, United States. The population was 1,026 at the 2010 census. Greenwood is located at 44°46′4″N 90°35′56″W / 44.76778°N 90.59889°W. According to the United States Census Bureau, the city has a total area of 2.86 square miles, of which, 2.78 square miles is land and 0.08 square miles is water.