
The Oyster Creek Nuclear Generating Station is located in the southern part of the township. The township was named for Revolutionary War brigadier general John Lacey, who developed Ferrago Forge in 1809. Portions of the township were taken on June 23, 1933, to form the borough of Island Beach (which is now Island Beach State Park, part of Berkeley Township). Lacey Township was incorporated as a township by an act of the New Jersey Legislature on March 23, 1871, from portions of Dover Township (now known as Toms River Township) and Union Township (now Barnegat Township).

It was named for Continental Army General John Lacey. The 2010 population was the highest recorded in any decennial census. As of the 2020 United States census, the township's population was 28,655, an increase of 1,011 (+3.7%) from the 2010 census count of 27,644, which in turn reflected an increase of 2,298 (+9.1%) from the 25,346 counted in the 2000 census. state of New Jersey and is considered part of the Jersey Shore and South Jersey regions.

Lacey Township is a township in Ocean County, in the U.S.
