Union County, SC Population

Overview

27,306

Total Population

44.0

Median age

52.62%

Female population %

9:100

Gender ratio (M:F)

55-59 years

Largest age group

59.7

Total dependency ratio

White

Largest racial group

478

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Union County is 44.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Union County's population under 18 was 21.46%, compared to the 22.51% nationwide.
Union County's elderly or the senior population (over 65 age) was 19.97% as compared to 16.04% nationwide.
Of the total population in Union County, 17.43% were under the age of 15, 17.43% aged 15 to 29, 45.17% aged 30 to 64, 17.89% aged 65 to 84, and 2.08% were 85 years of age and older.

There are 1,432 more females than males in Union County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 52.62% females and 47.38% males in Union County, SC.
The Union County, SC gender ratio is 9:100 i.e. 9 men to 100 women (0.900).
For male population, the largest age group is 60-64 years with a population of 1,042.
For the female population, the largest age group is 55-59 years with a population of 1,196.

Union County's population has become increasingly diverse:

Racial distribution of Union County population: 64.87% are White, 29.97% are Black or African American, 0.11% are American Indian and Alaska Native, 0.11% are Asian, 0.45% are some other race and 4.49% are multiracial.
Union County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 478 is Hispanic or Latino (of any race), and 26,828 (98.25% of the total population) is Non-Hispanic.
The largest racial group in Union County is White with a population of 17,714 (64.87% of the total population).

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

The peak population was 29,918 in the year 2000
From 2000 to 2010, Union County's population decreased by 1,004 (3.36%), as compared to the national growth of 9.63%.
From 2010 to 2020, Union County's population decreased by 1,738 (6.01%), 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, Union County's population was lowest in year 2022 at 26,752.