is a Township in Morris County, New Jersey, United States. As of the United States 2000 Census, the township population was 24,847.
According to the United States Census Bureau, the township has a total area of 21.1 square miles (54.6 km²) of which 21.0 square miles (54.3 km²) consists of land and 0.1 square miles (0.3 km²) (0.57%) is made up of water.
New York City is approximately 56 km (35 mi) or a 45 minute commute from Randolph. Atlantic City is 209 km (130 mi) or 2 hours away
Randolph is located within the New Jersey Highlands, one of New Jersey's four major physiographic provinces. Part of the Appalachian Mountains, the Highlands are characterized by alternating flat-topped ridges and deep-striking valleys.
Land in Randolph runs from to above sea level. Route 10 bisects the town. Open land is preserved by both municipal and county parkland within the town boundaries.
Temperatures range, in an average year, from the low 20s in February to the mid-90s fahrenheit in August.