Lancaster (pronounced /læŋkəstər/) is a growing city in Lancaster County, South Carolina which is in the United States and is located 35 miles south of Charlotte, North Carolina and 20 miles east of Rock Hill, South Carolina. As of the United States Census of 2010, the city population was 10,160. It is the county seat of Lancaster County. The city was named after the famous House of Lancaster . Lancaster County is number 147 in US micropolitan areas; with a 2008 population estimate of 73,393 in the micropolitan area. It is the boyhood home of the 7th president of the United States, Andrew Jackson.
In August 2008, the city was victim of two arson attacks on county buildings. The nearly 200-year-old county courthouse designed by South Carolina architect Robert Mills was heavily damaged in a fire, followed by a similar fire at the county district attorney's office three days later. On September 18, 2008, Martavious Carter, age 17, was arrested for multiple burglaries and also charged with the arson in these two cases. The courthouse holds the distinction of being the site of the last witch trials to take place in the United States.
Lancaster is located at 34°43′16″N 80°46′24″W / 34.72111°N 80.77333°W / 34.72111; -80.77333 (34.721100, -80.773315).