| City : | New Underwood City |
| County : | Miami-dade County, Pennington County |
| State : | South Dakota (SD) |
| | |
| Land Area : | 1.01 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 44.0991042 |
| Longitude : | -102.8361360 |
| | |
| Population (2010): | 660 |
| Population Estimate (2012) : | 628 |
| Population Density : | 656.45/sq mi |
| Housing Units (2012) : | 280 |
| Median Household Income (2012) : | $45,278 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $57,875 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $109,800 (South Dakota : $129,800, USA : $181,400) |