Newton is a city in Catawba County, North Carolina, United States. As of the 2010 census, the city had a population of 12,968. It is the county seat of Catawba County.
Newton is part of the Hickory–Lenoir–Morganton Metropolitan Statistical Area and sometimes included as part of the Charlotte metropolitan area.
Newton is located at the center of Catawba County, at 35°39'54" North, 81°13'28" West (35.665082, -81.224351). It is bordered to the north by Conover and to the northwest by Hickory. Claremont is to the northeast, and Maiden is to the south.
According to the United States Census Bureau, the city has a total area of 13.8 square miles (35.8 km2), of which 13.8 square miles (35.7 km2) is land and 0.04 square miles (0.1 km2), or 0.37%, is water.
As of the census of 2000, there were 12,560 people, 5,007 households, and 3,314 families living in the city. The population density was 968.4 people per square mile (373.9/km²). There were 5,368 housing units at an average density of 413.9 per square mile (159.8/km²). The racial composition of the city was: 77.58% White, 12.33% Black or African American, 9.52% Hispanic or Latino American, 3.40% Asian American, 0.43% Native American, 0.03% Native Hawaiian or Other Pacific Islander, 4.63% some other race, and 1.60% two or more races.