| City : | Gratis Village |
| County : | Mille Lacs County, Preble County |
| State : | Ohio (OH) |
| Land Area : | 0.96 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 39.6482549 |
| Longitude : | -84.5286078 |
| Population (2010): | 881 |
| Population Estimate (2012) : | 807 |
| Population Density : | 913.31/sq mi |
| Housing Units (2012) : | 370 |
| Median Household Income (2012) : | $49,615 (Ohio : $48,246, USA : $53,046) |
| Median Family Income (2012) : | $52,431 (Ohio : $61,163, USA : $64,585) |
| Median House Price (2012) : | $98,800 (Ohio : $133,700, USA : $181,400) |