South Orange is a historic suburban village adjacent to Newark in Essex County, New Jersey. It was known as the Township of South Orange Village from October 1978 until April 25, 2024. As of the 2020 United States census, the village population was 18,484, an increase of 2,286 (+14.1%) from the 2010 census count of 16,198, which in turn reflected a decline of 766 (−4.5%) from the 16,964 counted in the 2000 census. Seton Hall University is located in the township.