Lake Hopatcong, New Jersey
Lake Hopatcong, New Jersey | |
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The Isles Bridge, Lake Hopatcong, New Jersey (1911) | |
Lake Hopatcong Location in Morris County Lake Hopatcong Location in New Jersey Lake Hopatcong Location in the United States | |
| Coordinates: 40°57′39″N 74°36′46″W / 40.96083°N 74.61278°W | |
| Country | United States |
| State | New Jersey |
| County | Morris |
| Township | Jefferson |
| Area | |
• Total | 9.39 sq mi (24.32 km2) |
| • Land | 7.39 sq mi (19.13 km2) |
| • Water | 2.00 sq mi (5.19 km2) |
| Elevation | 930 ft (280 m) |
| Population (2020) | |
• Total | 10,232 |
| • Density | 1,385/sq mi (534.9/km2) |
| Time zone | UTC−05:00 (Eastern (EST)) |
| • Summer (DST) | UTC−04:00 (EDT) |
| ZIP Codes | 07849 (Lake Hopatcong) 07885 (Wharton) |
| Area codes | 973/862 |
| FIPS code | 34-37710 |
| GNIS feature ID | 2806109 |
Lake Hopatcong is a census-designated place (CDP) in Jefferson Township, in Morris County, in the U.S. state of New Jersey. It includes communities on the northeast side of Lake Hopatcong, the largest freshwater body in the state. As of the 2020 United States census, the population was 10,232.