| City : | Gayville Town |
| County : | Douglas County, Eureka County, Haines Borough, St. Croix County, Stephens County, Yankton County |
| State : | South Dakota (SD) |
| | |
| Land Area : | 0.21 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 42.8890963 |
| Longitude : | -97.1731740 |
| | |
| Population (2010): | 407 |
| Population Estimate (2012) : | 409 |
| Population Density : | 1,933.31/sq mi |
| Housing Units (2012) : | 179 |
| Median Household Income (2012) : | $46,750 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $49,688 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $79,800 (South Dakota : $129,800, USA : $181,400) |