Byram Center is an unincorporated community and census-designated place (CDP)[9] located in Byram Township, in Sussex County, in the U.S. state of New Jersey.

[13] According to the United States Census Bureau, Byram Center had a total area of 1.117 square miles (2.894 km2), all of which was land.

[1][2] The 2010 United States census counted 90 people, 34 households, and 23 families in the CDP.

There were 40 housing units at an average density of 35.8 per square mile (13.8/km2).

Of all households, 26.5% were made up of individuals and 5.9% had someone living alone who was 65 years of age or older.