Waterford, California is the eighth largest city in Stanislaus County, California, United States. The population was 8,456 at the 2010 census, up from 6,924 as of the 2000 census. Waterford is part of the Modesto Metropolitan Statistical Area.
Waterford is located at 37°38′42″N 120°46′3″W / 37.645°N 120.7675°W / 37.645; -120.7675 (37.645132, -120.767609).
According to the United States Census Bureau, the city has a total area of 2.4 square miles (6.1 km²), of which, 2.3 square miles (6.0 km²) of it is land and 0.04 square miles (0.1 km²) of it (1.72%) is water.