| Official Name: | Watertown, Florida |
| Settlement Type: | CDP |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 6.55 |
| Area Land Km2: | 6.42 |
| Area Water Km2: | 0.13 |
| Area Total Sq Mi: | 2.53 |
| Area Land Sq Mi: | 2.48 |
| Area Water Sq Mi: | 0.05 |
| Population As Of: | 2020 |
| Population Total: | 3018 |
| Population Density Km2: | 469.88 |
| Population Density Sq Mi: | 1216.94 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 30.1864°N -82.6083°W |
| Elevation Ft: | 184 |
| Blank Name: | FIPS code |
| Blank Info: | 12-75300[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0306564 |
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.
Watertown is located at 30°11'11" North, 82°36'30" West (30.186499, -82.608312).[3]
According to the United States Census Bureau, the CDP has a total area of 2.5sqmi, of which 2.4sqmi is land and 0.1sqmi is water.
As of the census of 2000, there were 2,837 people, 1,164 households, and 744 families residing in the CDP. The population density was 1186.3sp=usNaNsp=us, containing 1,339 housing units at an average density of 559.9sp=usNaNsp=us. The racial makeup of the CDP was 66.94% White, 30.24% African American, 0.56% Native American, 0.25% Asian, 0.04% Pacific Islander, 0.21% from other races, and 1.76% from two or more races. 1.34% of the population were Hispanic or Latino of any race.
There were 1,164 households, out of which 25.5% had children under the age of 18 living with them, 42.4% were married couples living together, 15.2% had a female householder with no husband present, and 36.0% were non-families. 31.4% of all households were made up of individuals, and 15.7% had someone living alone who was 65 years of age or older. The average household size was 2.41 and the average family size was 3.00.
In the CDP, the population was spread out, with 25.0% under the age of 18, 7.3% from 18 to 24, 24.5% from 25 to 44, 25.1% from 45 to 64, and 18.3% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 93.0 males. For every 100 females age 18 and over, there were 91.8 males.
The median income for a household in the CDP was $29,402, and the median income for a family was $36,179. Males had a median income of $30,353 versus $21,339 for females. The per capita income for the CDP was $13,044. 17.1% of the population and 12.9% of families were below the poverty line. Out of the total population, 18.7% of those under the age of 18 and 14.7% of those 65 and older were living below the poverty line.