Sumter is located in South Carolina. Sumter, South Carolina has a population of 40,286. Sumter is less family-centric than the surrounding county with 22.33% of the households containing married families with children. The county average for households married with children is 23.99%.
The median household income in Sumter, South Carolina is $38,562. The median household income for the surrounding county is $41,946 compared to the national median of $57,652. The median age of people living in Sumter is 33.7 years.
The average high temperature in July is 90.9 degrees, with an average low temperature in January of 34 degrees. The average rainfall is approximately 46.2 inches per year, with 0.8 inches of snow per year.