Swansea is a city located in South Carolina. With a 2020 population of 972, it is the 149th largest city in South Carolina and the 10431st largest city in the United States. Swansea is currently growing at a rate of 1.36% annually and its population has increased by 17.53% since the most recent census, which recorded a population of 827 in 2010. Spanning over 2 miles, Swansea has a population density of 466 people per square mile.
The average household income in Swansea is $44,176 with a poverty rate of 20.91%. The median rental costs in recent years comes to $761 per month, and the median house value is $94,800. The median age in Swansea is 37.6 years, 33.5 years for males, and 41.4 years for females. For every 100 females there are 103.2 males.