West Columbia is a city and commuter town in the suburban eastern sections of Lexington County, South Carolina, United States. According to the 2010 census, the population was 14,988, and the 2019 population estimate was 17,998. West Columbia is bordered to the east by Columbia, the state capital, across the Congaree River. It is near Columbia's city center or downtown district as well as the South Carolina State House and the Congaree Vista, known locally as "the Vista." The city is bordered to the south by its sister suburb, Cayce. A small portion of the city borders the town of Lexington to the east. West Columbia is part of the greater Columbia, SC metropolitan statistical area.
West Columbia was incorporated in 1894 as Brookland, but the United States Postal Service called the town "New Brookland" since there was another town called Brookland. In 1936, the name was changed to West Columbia to emphasize its proximity to Columbia, South Carolina. Numerous businesses, churches and a high school retain the Brookland and New Brookland names.
The Gervais Street Bridge, Mount Hebron Temperance Hall, New Brookland Historic District, and Saluda Factory Historic District are listed on the National Register of Historic Places.
The 2008 South Carolina Learjet 60 crash occurred just before midnight on September 19, 2008, when a Learjet 60 (registration N999LJ) crashed while taking off from Columbia Metropolitan Airport in South Carolina.