Westminster is a city in Oconee County, South Carolina, United States. It was started mostly as a station on the Southern Railway. Then as stores, shops and factories started to set up around the train stop, it bloomed into a decent-sized town. Its peak of expansion came in the 1920s. The population was 2,743 at the 2000 census. The train depot, which is on the National Register of Historic Places, burned due to vandalism in 2005. It has been rebuilt. Westminster is home to several industries; among them are: US Engine Valve plant and Sandvik Tooling Supply, a global supplier of tungsten carbide cutting tools..
Westminster is located at 34°39′59″N 83°5′43″W / 34.66639°N 83.09528°W / 34.66639; -83.09528 (34.666292, -83.095352).
According to the United States Census Bureau, the city has a total area of 3.4 square miles (8.9 km²), all of it land.