![](\"http://www.usa.com/img/s10.gif\")
Castlewood School District 28-1
Hamlin School District 28-3
(Major)Henry School District 14-2
Watertown School District 14-4
see rank
| Population | 3,151 (2010), see rank |
| House Units | 1,226, see rank |
| Race | Whites:97.5%, Hispanics:2.1%, Blacks:0.1%, Asians:0.1%, Others:2.3% |
| Population Density: | 9.53/sq mi, see rank |
| Median Household Income: | $53,529, see rank |
| Median House Price: | $112,900, see rank |
| Time Zone: | Central GMT -6:00 with Daylight Saving in the Summer |
| Land Area: | 315.90 sq mi, see rank |
| Water Area: | 14.64 sq mi (4.43%), see rank |
| State: | South Dakota |
| Area: | Watertown, SD |
| County: | Hamlin County |
| School District: | Arlington School District 38-1 Castlewood School District 28-1 Hamlin School District 28-3 (Major)Henry School District 14-2 Watertown School District 14-4 see rank |