Spencer is a town in Rowan County, North Carolina, United States, incorporated in 1905. As of the 2010 census, the town population was 3,267.

Rowan County is a county in the U.S. state of North Carolina that was formed in 1753, as part of the British Province of North Carolina. It was originally a vast territory with unlimited western boundaries, but its size was reduced to 524 square miles (1,360 km2) after several counties were formed from Rowan County in the 18th and 19th centuries. As of the 2020 census, its population was 146,875. Its county seat, Salisbury, is the oldest continuously populated European-American town in the western half of North Carolina. Rowan County is located northeast of Charlotte, and is considered part of the Charlotte-Concord-Gastonia, NC-SC Metropolitan Statistical Area.