Sewell ( SOOL) is a census-designated place (CDP) and unincorporated community within Mantua Township, Gloucester County, in the U.S. state of New Jersey, within the Philadelphia metropolitan area. There are also areas around Sewell in Washington Township.
As of the 2020 United States census, the CDP's population was 3,346. The CDP was named after United States Senator William Joyce Sewell. The community is served as U.S. Postal Service ZIP Code 08080. Sewell is home to Rowan College of South Jersey.
Sewell is also the site of the Inversand marl pit, the last operational greensand mine in the world. The location has become renowned for its paleontology and is similar to many of the sites studied by early paleontologists, particularly Edward Drinker Cope. It is also home to the Barnsboro Inn, the oldest bar in New Jersey.
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Demographics
Sewell was first listed as a census designated place in the 2020 census.
2020 census
As of the 2020 census, Sewell had a population of 3,346. The median age was 41.1 years. 22.4% of residents were under the age of 18 and 15.1% of residents were 65 years of age or older. For every 100 females there were 100.1 males, and for every 100 females age 18 and over there were 101.6 males age 18 and over.
100.0% of residents lived in urban areas, while 0.0% lived in rural areas.
There were 1,197 households in Sewell, of which 35.2% had children under the age of 18 living in them. Of all households, 58.6% were married-couple households, 15.9% were households with a male householder and no spouse or partner present, and 19.7% were households with a female householder and no spouse or partner present. About 19.5% of all households were made up of individuals and 8.1% had someone living alone who was 65 years of age or older.
There were 1,228 housing units, of which 2.5% were vacant. The homeowner vacancy rate was 1.3% and the rental vacancy rate was 1.0%.
Parks and recreation
Tall Pines State Preserve is a 111-acre (45 ha) nature preserve that opened in November 2015 as Gloucester County's first state park and is located along the border of Deptford Township and Mantua Township. Originally a forest that was turned into an asparagus field and then a golf course, the land was preserved through the efforts of the South Jersey Land and Water Trust, the Friends of Tall Pines, Gloucester County Nature Club, and the New Jersey Green Acres Program.
Transportation
The community is a planned stop on the Glassboro–Camden Line, a proposed 18-mile (28.97 km) diesel multiple unit (DMU) light rail line.
Education
The CDP, entirely in Mantua Township, is within Mantua Township School District (elementary school) and Clearview Regional High School District. Clearview Regional High School is the comprehensive high school of the latter district.
Notable people
People (and pets) who were born in, residents of, or otherwise closely associated with Sewell include:
Tony DeAngelo (born 1995), NHL defenseman for the New York Islanders
Ryan D'Imperio (born 1987), former NFL fullback for the Minnesota Vikings
Elwood (c. 2005–2013), the winner of the World's Ugliest Dog Contest in 2007
Sam Esmail (born 1977), screen director and producer, Mr. Robot and Homecoming
Tara Lipinski (born 1982), Olympic gold medal winner, figure skating
John E. Wallace Jr. (born 1942), former Associate Justice of the New Jersey Supreme Court
Amy Wang (born 2002), table tennis player who competed at the 2024 Summer Olympics



