Union County, South Carolina Age & Gender Statistics (2024)

Total Population

26,885

Median Age

44.5

Male Median

42.7

Female Median

45.8

Union County, South Carolina Population Growth

Population trends in
Figure 1: Annual population growth trend for (2010–2024).

Union County, South Carolina Demographic Trend

Since 2010, the population of has changed by -7.6%%.

-7.6%% Growth

Union County, South Carolina Age & Gender Pyramid

Population pyramid for

Figure 2: Population distribution by age and gender for 2024.


Union County, South Carolina Historical Population Data

YearMedian AgePopulation
202444.526,885
202344.326,990
202244.227,158
202144.027,306
202044.427,325
201944.027,490
201843.827,644
201743.727,772
201643.727,928
201543.528,125
201442.928,329
201342.728,594
201242.428,804
201142.028,982
201041.729,089

Union County, South Carolina Age Group Breakdown (2024)

Age CohortPercentage
Under 55.1%
5–1715.7%
18–247.1%
25–3412.0%
35–5423.6%
55–6414.9%
65+21.6%

Dependency Ratios for Union County, South Carolina

Total Dependency Ratio:
73.6
Youth Dependency:
36.1
Old-Age Dependency:
37.5

The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).



Age & Gender FAQs for Union County, South Carolina

The median age in Union County, South Carolina is 44.5 years.

According to latest Census data, the total population of Union County, South Carolina is 26,885.

In Union County, South Carolina, seniors (ages 65+) make up 21.6% of the population, while children under 18 represent 15.7%.

Based on historical data since 2010, the population in Union County, South Carolina is aging.
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