Sumter County, SC Demographics

The total population of Sumter County is estimated to be 105,199 with 51,138 males (48.61%) and 54,061 females (51.39%). There are 2,923 more females than males in Sumter County.
The median household income in Sumter County was $53,008 in 2021, which marked an an increase of 238(0.45%) from $52,770 in 2020. This income is 71.05% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Sumter County sees its highest median household income among householders in the age group of 25 to 44 years old, at $60,964. Overall, the median household income for the county of Sumter County stands at $57,775.
In Sumter County, the median income for all workers aged 15 years and older, regardless of work hours, was $37,724 for males and $26,960 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $51,911 for males and $40,928 for females.
In Sumter County, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, Asian households have the highest median household income at $68,158, while Some Other Race households represent the opposite end with the lowest median household income of $31,420.
In 2022, the population of Sumter County was 104,012, a 0.80% decrease year-by-year from 2021. Previously, in 2021, Sumter County's population was 104,856, a decline of 0.59% compared to a population of 105,474 in 2020.
The median age in Sumter County, SC is 36.7, as per 2021 ACS 5-Year Estimates. Of the total population, 20.00% were under the age of 15, 21.50% aged 15 to 29, 42.08% aged 30 to 64, 14.36% aged 65 to 84, and 2.06% were 85 years of age and older.
Racial distribution of Sumter County population: 45.80% are White, 46.12% are Black or African American, 0.18% are American Indian and Alaska Native, 1.29% are Asian, 0.06% are Native Hawaiian and other Pacific Islander, 1.96% are some other race and 4.59% are multiracial.