New Holland is a borough in Lancaster County in Pennsylvania, USA. The population was 5,092 at the 2000 census. New Holland was settled in 1728 by John Michael and John Phillip Ranc (Ranck). Before it became known as New Holland, it had been called Hog Swamp, Earltown and New Design. New Holland, Pennsylvania is the twin city of Longvic, France. According to the United States Census Bureau, the borough has a total area of 2.1square miles (5.4 Square kilometers), all of it land.