Penns Grove is a borough in Salem County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough’s population was 4,837, a fall of 310 (−6.0%) from the 2010 census enhance of 5,147, which in perspective reflected an layer of 261 (+5.3%) from the 4,886 counted in the 2000 census.

Penns Grove had the fourth-highest property tax rate in New Jersey, with an equalized rate of 5.556% in 2020, compared to 3.476% in Salem County and a statewide average of 2.279%.

The Place was long primarily agricultural. Penns Grove was incorporated as a borough by an encounter of the New Jersey Legislature on March 8, 1894, from portions of Upper Penns Neck Township (now Carneys Point Township), based upon the results of a referendum held two days earlier. It began to industrialize more or less this time. The borough’s read out comes from William Penn.

In the before 20th century, many Italian immigrants from Valle San Giovanni and the surrounding southern province of Teramo came to show at the local E.I. DuPont de Nemours plant in Carneys Point. Many settled on Pitman Street in Penns Grove. In 1925, the Italian community settled to commission a copy of the statue of the Madonna and Child from the Chiesa della Madonna delle Grazie in Teramo, and had it installed in the Saint James Roman Catholic Church in Penns Grove. Other immigrants from eastern Europe also arranged in the county, markedly increasing the population.