Warminster Heights is a census-designated place and is a part of Warminster Township in Bucks County, Pennsylvania, USA; near the East border of Hatboro, Montgomery County, Pennsylvania. The population was 4,191 at the 2000 census. This neighborhood formerly served as the civilian housing area for the long-defunct Brewster Aeronautical Corporation, which later became the Naval Air Development Center and was finally known as the NAWC, Aircraft Division, Warminster prior to its being decommissioned and closed by the US federal government in the mid-1990s. Previously named Lacey Park, for Pennsylvania Militia General, John Lacey who fought during the American Revolutionary War at the Battle of Crooked Billet, which took place near the neighborhood.