In 2018, Sumter County, SC had a population of 107k people with a median age of 36.3 and a median household income of $43,792. Between 2017 and 2018 the population of Sumter County, SC declined from 107,379 to 106,995, a -0.358% decrease and its median household income grew from $41,946 to $43,792, a 4.4% increase.
The 5 largest ethnic groups in Sumter County, SC are Black or African American (Non-Hispanic) (46.9%), White (Non-Hispanic) (45.4%), White (Hispanic) (2.56%), Two+ (Non-Hispanic) (2.17%), and Asian (Non-Hispanic) (1.24%). 0% of the households in Sumter County, SC speak a non-English language at home as their primary language, and 98% of the residents in Sumter County, SC are U.S. citizens.
In 2018, the median property value in Sumter County, SC was $113,900, and the homeownership rate was 64.7%. Most people in Sumter County, SC drove alone to work, and the average commute time was 22 minutes. The average car ownership in Sumter County, SC was 2 cars per household.