Sumter County, SC Population

Overview

105,537

Total Population

36.7

Median age

51.27%

Female population %

95:100

Gender ratio (M:F)

20-24 years

Largest age group

57.3

Total dependency ratio

Black or African American

Largest racial group

4,438

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Sumter County's population is young compared to the rest of the country:

The median age in Sumter County is 36.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Sumter County's population under 18 was 24.15%, compared to the 22.51% nationwide.
Sumter County's elderly or the senior population (over 65 age) was 16.43% as compared to 16.04% nationwide.
Of the total population in Sumter County, 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.

There are 2,679 more females than males in Sumter County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.27% females and 48.73% males in Sumter County, SC.
The Sumter County, SC gender ratio is 95:100 i.e. 95 men to 100 women (0.950).
For male population, the largest age group is 20-24 years with a population of 4,183.
For the female population, the largest age group is 25-29 years with a population of 3,740.

Sumter County's population has become increasingly diverse:

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.
Sumter County's racial breakdown clearly shows that there is no majority of any race in the county.
By ethnicity, 4,438 is Hispanic or Latino (of any race), and 101,099 (95.79% of the total population) is Non-Hispanic.
The largest racial group in Sumter County is Black or African American with a population of 48,673 (46.12% of the total population).

Sumter County's population has already reached its peak and is showing a trend of decline:

The peak population was 107,944 in the year 2012
From 2000 to 2010, Sumter County's population increased by 2,852 (2.72%), as compared to the national growth of 9.63%.
From 2010 to 2020, Sumter County's population decreased by 2,136 (1.98%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Sumter County's population was lowest in year 2022 at 104,012.