| City : | Harrold Town |
| County : | Brazoria County, Caldwell County, Hughes County, Valdez-cordova Census Area |
| State : | South Dakota (SD) |
| | |
| Land Area : | 0.27 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 44.5234873 |
| Longitude : | -99.7392687 |
| | |
| Population (2010): | 124 |
| Population Estimate (2012) : | 145 |
| Population Density : | 464.78/sq mi |
| Housing Units (2012) : | 74 |
| Median Household Income (2012) : | $51,563 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $62,083 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $31,300 (South Dakota : $129,800, USA : $181,400) |