Port Reading is a census-designated place and unincorporated community located within Woodbridge Township, in Middlesex County, New Jersey, United States. As of the 2010 United States Census, the CDP's population was 3,728.
Port Reading was built in the late 19th century by the Reading Railroad of Pennsylvania to serve their shipping needs, especially coal from the Pennsylvania anthracite coal fields. In 1892 Port Reading was connected to the Reading Railroad system via a new branch line from Port Reading Junction near Bound Brook, New Jersey, known as the Port Reading Railroad. The Port Reading Refinery was located in the district.
According to the United States Census Bureau, Port Reading had a total area of 2.898 square miles (7.506 km2), including 2.243 square miles (5.809 km2) of land and 0.655 square miles (1.697 km2) of water (22.61%).
Port Reading lies along the Arthur Kill waterway that separates New Jersey from Staten Island, New York.
The 2010 United States Census counted 3,728 people, 1,283 households, and 998 families in the CDP. The population density was 1,662.2 inhabitants per square mile (641.8/km2). There were 1,342 housing units at an average density of 598.3 per square mile (231.0/km2). The racial makeup was 79.75% (2,973) White, 7.19% (268) Black or African American, 0.24% (9) Native American, 4.99% (186) Asian, 0.00% (0) Pacific Islander, 5.53% (206) from other races, and 2.31% (86) from two or more races. Hispanic or Latino of any race were 17.84% (665) of the population.
Of the 1,283 households, 33.2% had children under the age of 18; 57.2% were married couples living together; 15.0% had a female householder with no husband present and 22.2% were non-families. Of all households, 18.7% were made up of individuals and 10.2% had someone living alone who was 65 years of age or older.