Aiken County, SC Population

Overview

168,045

Total Population

41.2

Median age

51.63%

Female population %

93.7:100

Gender ratio (M:F)

60-64 years

Largest age group

59.7

Total dependency ratio

White

Largest racial group

10,114

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Aiken County is 41.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Aiken County's population under 18 was 21.73%, compared to the 22.51% nationwide.
Aiken County's elderly or the senior population (over 65 age) was 19.46% as compared to 16.04% nationwide.
Of the total population in Aiken County, 17.92% were under the age of 15, 17.90% aged 15 to 29, 44.72% aged 30 to 64, 17.18% aged 65 to 84, and 2.27% were 85 years of age and older.

There are 5,467 more females than males in Aiken County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.63% females and 48.37% males in Aiken County, SC.
The Aiken County, SC gender ratio is 93.7:100 i.e. 93.7 men to 100 women (0.937).
For male population, the largest age group is 60-64 years with a population of 5,954.
For the female population, the largest age group is 60-64 years with a population of 6,508.

Aiken County's population has become increasingly diverse:

Racial distribution of Aiken County population: 68.37% are White, 24.83% are Black or African American, 0.11% are American Indian and Alaska Native, 1.03% are Asian, 0.79% are some other race and 4.86% are multiracial.
Aiken County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 10,114 is Hispanic or Latino (of any race), and 157,931 (93.98% of the total population) is Non-Hispanic.
The largest racial group in Aiken County is White with a population of 114,895 (68.37% of the total population).

Aiken County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 174,150 in the year 2022
From 2000 to 2010, Aiken County's population increased by 17,837 (12.50%), as compared to the national growth of 9.63%.
From 2010 to 2020, Aiken County's population increased by 8,605 (5.36%), 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, Aiken County's population was lowest in year 2000 at 142,721.