Sumter is a city located in Sumter County South Carolina. With a 2020 population of 39,726, it is the 10th largest city in South Carolina and the 993rd largest city in the United States . Sumter is currently growing at a rate of 0.11% annually but its population has decreased by -1.97% since the most recent census, which recorded a population of 40,524 in 2010. Sumter reached it's highest population of 41,943 in 1990. Spanning over 33 miles, Sumter has a population density of 1,218 people per square mile.
The average household income in Sumter is $59,588 with a poverty rate of 19.18%. The median rental costs in recent years comes to $833 per month, and the median house value is $138,900. The median age in Sumter is 32.5 years, 30.3 years for males, and 35.4 years for females.