Panther Valley is an unincorporated community and census-designated place (CDP)[8] located within Allamuchy Township, in Warren County, in the U.S. state of New Jersey.

[4][15] The 2010 United States census counted 3,327 people, 1,604 households, and 934 families in the CDP.

There were 1,710 housing units at an average density of 577.0 per square mile (222.8/km2).

Of all households, 34.9% were made up of individuals and 12.2% had someone living alone who was 65 years of age or older.

[10] People who were born in, residents of, or otherwise closely associated with Panther Valley include: