Richland County, SC Population

Overview

414,719

Total Population

33.8

Median age

51.63%

Female population %

93.7:100

Gender ratio (M:F)

20-24 years

Largest age group

44.3

Total dependency ratio

Black or African American

Largest racial group

22,515

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Richland County is 33.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Richland County's population under 18 was 21.65%, compared to the 22.51% nationwide.
Richland County's elderly or the senior population (over 65 age) was 12.88% as compared to 16.04% nationwide.
Of the total population in Richland County, 17.83% were under the age of 15, 26.81% aged 15 to 29, 42.48% aged 30 to 64, 11.77% aged 65 to 84, and 1.11% were 85 years of age and older.

There are 13,483 more females than males in Richland 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 Richland County, SC.
The Richland 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 20-24 years with a population of 21,488.
For the female population, the largest age group is 20-24 years with a population of 20,753.

Richland County's population has become increasingly diverse:

Racial distribution of Richland County population: 43.07% are White, 47.33% are Black or African American, 0.15% are American Indian and Alaska Native, 2.94% are Asian, 0.12% are Native Hawaiian and other Pacific Islander, 2.39% are some other race and 4% are multiracial.
Richland County's racial breakdown clearly shows that there is no majority of any race in the county.
By ethnicity, 22,515 is Hispanic or Latino (of any race), and 392,204 (94.57% of the total population) is Non-Hispanic.
The largest racial group in Richland County is Black or African American with a population of 196,268 (47.33% of the total population).

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

The peak population was 421,566 in the year 2022
From 2000 to 2010, Richland County's population increased by 63,878 (19.85%), as compared to the national growth of 9.63%.
From 2010 to 2020, Richland County's population increased by 29,891 (7.75%), 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, Richland County's population was lowest in year 2000 at 321,876.