Newton is a city in Middlesex County, Massachusetts, United States bordered to the east by Boston. According to the 2010 U.S. Census, the population of Newton was 85,146, making it the eleventh largest city in the state. Crystal Lake is a 33-acre (130,000 m2) natural lake located in Newton Centre. Its shores, mostly lined with private homes, also host two small parks and a town beach and bath house. The name Crystal Lake was given to the pond by a nineteenth century commercial ice harvester that sold ice cut from the pond in winter. It had previously been called Baptist Pond.