Penns Grove is located in New Jersey. Penns Grove, New Jersey has a population of 4,716. Penns Grove is more family-centric than the surrounding county with 37% households with children. The county percentage for households with children is 27%.
The median household income in Penns Grove, New Jersey is $36,011. The median household income for the surrounding county is $63,878 compared to the national median of $61,963. The median age of people living in Penns Grove is 32.7 years.
The average high temperature in July is 87.5 degrees, with an average low temperature in January of 27.9 degrees. The annual precipitation is 40.66.