| City : | Friendly |
| County : | Johnson County, Lafayette County, Prince George's County, Wabaunsee County |
| State : | Maryland (MD) |
| | |
| Land Area : | 4.88 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 38.7637386 |
| Longitude : | -76.9711857 |
| | |
| Population (2010): | 9,250 |
| Population Estimate (2012) : | 9,407 |
| Population Density : | 1,897.18/sq mi |
| Housing Units (2012) : | 3,272 |
| Median Household Income (2012) : | $97,598 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $112,440 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $336,800 (Maryland : $304,900, USA : $181,400) |