Watertown is a city located in Carver County, Minnesota, along the South Fork of the Crow River. As of the 2000 census, the city had a total population of 3,029.
According to the United States Census Bureau, the city has a total area of 4.5 km2 (1.7 mi2). 4.4 km2 (1.7 mi2) of it is land and 0.1 km2 (0.04 mi2) of it is water. The total area is 2.33% water.