Watertown is a census-designated place (CDP) in Columbia County, Florida, United States. It had a population of 3,018 at the 2020 census, up from 2,829 at the 2010 census. It is part of the Lake City, Florida Micropolitan Statistical Area.
Geography
According to the United States Census Bureau, the CDP has a total area of , of which is land and is water.
Demographics
2020 census
As of the 2020 census, Watertown had a population of 3,018. The median age was 42.9 years. 22.8% of residents were under the age of 18 and 23.2% of residents were 65 years of age or older. For every 100 females there were 98.7 males, and for every 100 females age 18 and over there were 93.6 males age 18 and over.
99.4% of residents lived in urban areas, while 0.6% lived in rural areas.
There were 1,231 households in Watertown, of which 30.0% had children under the age of 18 living in them. Of all households, 35.9% were married-couple households, 20.2% were households with a male householder and no spouse or partner present, and 34.2% were households with a female householder and no spouse or partner present. About 27.0% of all households were made up of individuals and 13.1% had someone living alone who was 65 years of age or older.