| City : | Lake Santee |
| County : | Decatur County, Franklin County |
| State : | Indiana (IN) |
| | |
| Land Area : | 2.47 sq mi |
| Water Area : | 0.36 sq mi |
| Latitude : | 39.4103274 |
| Longitude : | -85.3077027 |
| | |
| Population (2010): | 820 |
| Population Estimate (2012) : | 782 |
| Population Density : | 332.43/sq mi |
| Housing Units (2012) : | 525 |
| Median Household Income (2012) : | $87,900 (Indiana : $48,374, USA : $53,046) |
| Median Family Income (2012) : | $88,067 (Indiana : $60,012, USA : $64,585) |
| Median House Price (2012) : | $168,200 (Indiana : $123,400, USA : $181,400) |