Lower Alloways Creek Township is a township in Salem County, New Jersey, United States. As of the 2010 United States Census, the township's population was 1,770, reflecting a decline of 81 (-4.4%) from the 1,851 counted in the 2000 Census, which had in turn declined by 7 (-0.4%) from the 1,858 counted in the 1990 Census.
Lower Alloways Creek Township was formed on June 17, 1767, when Alloways Creek Township was subdivided and Upper Alloways Creek Township (now Alloway Township) was also formed. The township was incorporated by an Act of the New Jersey Legislature on February 21, 1798, as one of New Jersey's original group of 104 townships.
PSE&G operates three nuclear reactors in Lower Alloways Creek Township. Salem 1 and Salem 2 are pressurized water reactors at the Salem Nuclear Power Plant and Hope Creek is a boiling water reactor at the Hope Creek Nuclear Generating Station. Hancock's Bridge (with a 2010 Census population of 254) is a census-designated place and unincorporated community located within Alloway Township. Lower Alloways Creek Township is a dry town where alcohol cannot be sold.