Lopatcong Overlook is an unincorporated community and census-designated place (CDP)[9] in Lopatcong Township, New Jersey, United States, that was created as part of the 2010 United States Census.

[13] According to the United States Census Bureau, Lopatcong Overlook had a total area of 0.345 square miles (0.895 km2), all of which was land.

The 2010 United States census counted 734 people, 369 households, and 198 families in the CDP.

There were 390 housing units at an average density of 1,129.1 per square mile (435.9/km2).

Of all households, 39.6% were made up of individuals and 13.0% had someone living alone who was 65 years of age or older.