| County : | Marshall County |
| State : | Oklahoma (OK) |
| Land Area : | 371.08 sq mi |
| Water Area : | 55.85 sq mi |
| Latitude : | 34.0270068 |
| Longitude : | -96.7705330 |
| Population (2010): | 15,840 |
| Population Estimate (2012) : | 15,774 |
| Population Density : | 42.69/sq mi |
| Housing Units (2012) : | 10,006 |
| Median Household Income (2012) : | $36,727 (Oklahoma : $44,891, USA : $53,046) |
| Median Family Income (2012) : | $49,279 (Oklahoma : $56,068, USA : $64,585) |
| Median House Price (2012) : | $79,700 (Oklahoma : $110,800, USA : $181,400) |
Marshall County Cities / Towns
| Kingston Town (1,601) | Lebanon (303) | Madill City (3,770) |
| New Woodville Town (132) | Oakland Town (1,057) |
Marshall County Zip Codes
| 73439 (7,400) | 73440 (398) | 73446 (8,042) |