Union County, South Carolina Age & Gender Distribution (2024)
Population distribution by age and gender for Union County, South Carolina
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

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

Figure 2: Population distribution by age and gender for 2024.
Union County, South Carolina Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 44.5 | 26,885 |
| 2023 | 44.3 | 26,990 |
| 2022 | 44.2 | 27,158 |
| 2021 | 44.0 | 27,306 |
| 2020 | 44.4 | 27,325 |
| 2019 | 44.0 | 27,490 |
| 2018 | 43.8 | 27,644 |
| 2017 | 43.7 | 27,772 |
| 2016 | 43.7 | 27,928 |
| 2015 | 43.5 | 28,125 |
| 2014 | 42.9 | 28,329 |
| 2013 | 42.7 | 28,594 |
| 2012 | 42.4 | 28,804 |
| 2011 | 42.0 | 28,982 |
| 2010 | 41.7 | 29,089 |
Union County, South Carolina Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.1% |
| 5–17 | 15.7% |
| 18–24 | 7.1% |
| 25–34 | 12.0% |
| 35–54 | 23.6% |
| 55–64 | 14.9% |
| 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.