| City : | Leonia Borough |
| County : | Bergen County, Corson County |
| State : | New Jersey (NJ) |
| | |
| Land Area : | 1.54 sq mi |
| Water Area : | 0.10 sq mi |
| Latitude : | 40.8633912 |
| Longitude : | -73.9884711 |
| | |
| Population (2010): | 8,937 |
| Population Estimate (2012) : | 8,948 |
| Population Density : | 5,819.56/sq mi |
| Housing Units (2012) : | 3,428 |
| Median Household Income (2012) : | $72,195 (New Jersey : $71,637, USA : $53,046) |
| Median Family Income (2012) : | $99,597 (New Jersey : $87,389, USA : $64,585) |
| Median House Price (2012) : | $481,100 (New Jersey : $337,900, USA : $181,400) |