Sawmills is a town in Caldwell County, North Carolina, in the United States. As of the 2010 census, the town population was 5,240. It is part of the Hickory–Lenoir–Morganton Metropolitan Statistical Area. The town is named after the lumber industry that used to be prevalent in the area.

Sawmills is located in southern Caldwell County, bordered by Hudson to the north and Granite Falls to the east. Lake Rhodhiss borders the town on the south. Sawmills Veterans Park is located on Lake Rhodiss, providing recreational facilities, activities and trails.

According to the U.S. Census Bureau, Sawmills has a total area of 6.6 square miles (17.2 km²), of which 0.008 square miles (0.02 km²), or 0.09%, is water.

As of the census of 2000, there were 4,921 people, 1,942 households, and 1,448 families residing in the town. The population density was 787.4 people per square mile (304.0/km²). There were 2,045 housing units at an average density of 327.2 per square mile (126.3/km²). The racial makeup of the town was 97.34% White, 0.55% African American, 0.20% Native American, 0.16% Asian, 0.02% Pacific Islander, 1.16% from other races, and 0.57% from two or more races. Hispanic or Latino of any race were 2.36% of the population.

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