| City : | Mountain Lake |
| County : | Boone County, Fairfax County, Suffolk County, Warren County, Washington County |
| State : | New Jersey (NJ) |
| | |
| Land Area : | 1.13 sq mi |
| Water Area : | 0.18 sq mi |
| Latitude : | 40.8591185 |
| Longitude : | -74.9882395 |
| | |
| Population (2010): | 575 |
| Population Estimate (2012) : | 693 |
| Population Density : | 508.73/sq mi |
| Housing Units (2012) : | 315 |
| Median Household Income (2012) : | $53,641 (New Jersey : $71,637, USA : $53,046) |
| Median Family Income (2012) : | $69,375 (New Jersey : $87,389, USA : $64,585) |
| Median House Price (2012) : | $207,300 (New Jersey : $337,900, USA : $181,400) |