| Zip Code : | 72554 |
| City : | Mammoth Spring city |
| County : | Fulton County, Sharp County |
| State : | Arkansas (AR) |
| | |
| Land Area : | 154.15 sq mi |
| Water Area : | 0.35 sq mi |
| Latitude : | 36.4386982 |
| Longitude : | -91.5622114 |
| | |
| Population (2010): | 2,923 |
| Population Estimate (2012) : | 3,230 |
| Population Density : | 18.96/sq mi |
| Housing Units (2012) : | 1,835 |
| Median Household Income (2012) : | $36,537 (Arkansas : $40,531, USA : $53,046) |
| Median Family Income (2012) : | $46,400 (Arkansas : $50,453, USA : $64,585) |
| Median House Price (2012) : | $88,400 (Arkansas : $106,300, USA : $181,400) |