Summerville is a town in the U.S. state of South Carolina situated mostly in Dorchester County, with small portions in Berkeley and Charleston counties. Summerville is seventh biggest city in the state. The town lies approximately five miles from the Ashley River. It is part of the Charleston-North Charleston-Summerville, SC Metropolitan Statistical Area. Sum…Summerville is a town in the U.S. state of South Carolina situated mostly in Dorchester County, with small portions in Berkeley and Charleston counties. Summerville is seventh biggest city in the state. The town lies approximately five miles from the Ashley River. It is part of the Charleston-North Charleston-Summerville, SC Metropolitan Statistical Area. Summerville's population at the 2020 census was 50,915.
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