Colleton County, SC Population

Overview

38,520

Total Population

42.2

Median age

52.11%

Female population %

91.9:100

Gender ratio (M:F)

60-64 years

Largest age group

62.4

Total dependency ratio

White

Largest racial group

1,398

Hispanic population

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

TABLE OF CONTENTS

Age

Colleton County's population is old compared to the rest of the country:

The median age in Colleton County is 42.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Colleton County's population under 18 was 22.53%, compared to the 22.51% nationwide.
Colleton County's elderly or the senior population (over 65 age) was 19.77% as compared to 16.04% nationwide.
Of the total population in Colleton County, 18.65% were under the age of 15, 17.77% aged 15 to 29, 43.81% aged 30 to 64, 18.18% aged 65 to 84, and 1.59% were 85 years of age and older.

There are 1,624 more females than males in Colleton County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 52.11% females and 47.89% males in Colleton County, SC.
The Colleton County, SC gender ratio is 91.9:100 i.e. 91.9 men to 100 women (0.919).
For male population, the largest age group is 60-64 years with a population of 1,506.
For the female population, the largest age group is 60-64 years with a population of 1,647.

Colleton County's population has become increasingly diverse:

Racial distribution of Colleton County population: 56.74% are White, 35.92% are Black or African American, 0.90% are American Indian and Alaska Native, 0.51% are Asian, 2.87% are some other race and 3.07% are multiracial.
Colleton County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 1,398 is Hispanic or Latino (of any race), and 37,122 (96.37% of the total population) is Non-Hispanic.
The largest racial group in Colleton County is White with a population of 21,857 (56.74% of the total population).

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

The peak population was 39,638 in the year 2008
From 2000 to 2010, Colleton County's population increased by 556 (1.45%), as compared to the national growth of 9.63%.
From 2010 to 2020, Colleton County's population decreased by 350 (0.90%), 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, Colleton County's population was lowest in year 2015 at 37,444.