| City : | Gardner City |
| County : | Johnson County, Prince George's County |
| State : | Kansas (KS) |
| | |
| Land Area : | 10.12 sq mi |
| Water Area : | 0.05 sq mi |
| Latitude : | 38.8158565 |
| Longitude : | -94.9299826 |
| | |
| Population (2010): | 19,123 |
| Population Estimate (2012) : | 19,117 |
| Population Density : | 1,890.45/sq mi |
| Housing Units (2012) : | 7,300 |
| Median Household Income (2012) : | $64,566 (Kansas : $51,273, USA : $53,046) |
| Median Family Income (2012) : | $71,937 (Kansas : $64,731, USA : $64,585) |
| Median House Price (2012) : | $160,800 (Kansas : $127,400, USA : $181,400) |