Warren Township, New Jersey

Warren Township is a township in Somerset County, in the U.S. state of New Jersey. The township is a bedroom suburb of New York City in the much larger New York metropolitan area, located within the Raritan Valley region. As of the 2020 United States census, the township's population was 15,923, an increase of 612 (+4.0%) from the 2010 census count of 15,311, which in turn reflected an increase of 1,052 (+7.4%) from the 14,259 counted in the 2000 census. Warren is situated in northeastern Somerset County bordering both Morris (along the Passaic River) and Union counties.

The township has been one of the state's highest-income communities. Based on data from the American Community Survey for 2013–2017, Warren Township residents had a median household income of $154,647, ranked 12th in the state among municipalities with more than 10,000 residents, more than double the statewide median of $76,475.

In 2012, Forbes.com listed Warren as 334th in its listing of "America's Most Expensive ZIP Codes", with a median home price of $842,750.