St. Andrews, SC Demographics
St. Andrews, SC is the 30th most populous of 475 cities in South Carolina, with 20,675 residents across 6 square miles. That is about 3,363 people per square mile.
At the 2020 census
| Population | 20,675 |
|---|---|
| Land area | 6 sq mi |
| Density | 3,363 / sq mi |
Data: 2020 Census · American Community Survey 2024
How St. Andrews, SC compares to the US
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About this page
City statistics cover the municipal boundary only, not the wider metro area.
Figures come from the 2020 census and the American Community Survey, compared against national averages.