Allendale County, SC Population

Overview

8,304

Total Population

43.9

Median age

45.92%

Female population %

117.8:100

Gender ratio (M:F)

45-49 years

Largest age group

55.0

Total dependency ratio

Black or African American

Largest racial group

299

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Allendale County is 43.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Allendale County's population under 18 was 19.58%, compared to the 22.51% nationwide.
Allendale County's elderly or the senior population (over 65 age) was 20.03% as compared to 16.04% nationwide.
Of the total population in Allendale County, 15.46% were under the age of 15, 18.09% aged 15 to 29, 46.42% aged 30 to 64, 18.69% aged 65 to 84, and 1.34% were 85 years of age and older.

There are 678 less females than males in Allendale County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 45.92% females and 54.08% males in Allendale County, SC.
The Allendale County, SC gender ratio is 117.8:100 i.e. 117.8 men to 100 women (1.178).
For male population, the largest age group is 15-19 years with a population of 542.
For the female population, the largest age group is 65-69 years with a population of 415.

Allendale County's population has become increasingly diverse:

Racial distribution of Allendale County population: 22.90% are White, 73.22% are Black or African American, 0.20% are American Indian and Alaska Native, 0.82% are Asian, 0.11% are Native Hawaiian and other Pacific Islander, 1.78% are some other race and 0.96% are multiracial.
Allendale County's racial breakdown clearly shows that there is an absolute majority of Black or African American population in the county.
By ethnicity, 299 is Hispanic or Latino (of any race), and 8,005 (96.40% of the total population) is Non-Hispanic.
The largest racial group in Allendale County is Black or African American with a population of 6,08 (73.22% of the total population).

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

The peak population was 11,158 in the year 2000
From 2000 to 2010, Allendale County's population decreased by 804 (7.21%), as compared to the national growth of 9.63%.
From 2010 to 2020, Allendale County's population decreased by 2,362 (22.81%), 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, Allendale County's population was lowest in year 2022 at 7,579.