| City : | Selby City |
| County : | Robeson County, Walworth County |
| State : | South Dakota (SD) |
| | |
| Land Area : | 0.71 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 45.5057874 |
| Longitude : | -100.0329144 |
| | |
| Population (2010): | 642 |
| Population Estimate (2012) : | 673 |
| Population Density : | 901.76/sq mi |
| Housing Units (2012) : | 334 |
| Median Household Income (2012) : | $39,028 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $44,519 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $45,600 (South Dakota : $129,800, USA : $181,400) |