Lancaster County, South Carolina Age & Gender Distribution (2024)
Population distribution by age and gender for Lancaster County, South Carolina
Lancaster County, South Carolina Age & Gender Statistics (2024)
Total Population
104,475
Median Age
42.5
Male Median
40.8
Female Median
44.2
Lancaster County, South Carolina Population Growth

Lancaster County, South Carolina Demographic Trend
Since 2010, the population of has changed by +44.5%%.
+44.5%% Growth
Lancaster County, South Carolina Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Lancaster County, South Carolina Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 42.5 | 104,475 |
| 2023 | 42.2 | 100,905 |
| 2022 | 42.2 | 97,611 |
| 2021 | 42.2 | 94,653 |
| 2020 | 42.5 | 95,378 |
| 2019 | 42.1 | 92,308 |
| 2018 | 42.0 | 89,546 |
| 2017 | 42.0 | 86,544 |
| 2016 | 41.5 | 83,704 |
| 2015 | 41.6 | 81,263 |
| 2014 | 41.0 | 79,515 |
| 2013 | 40.5 | 77,946 |
| 2012 | 40.1 | 76,364 |
| 2011 | 39.3 | 74,500 |
| 2010 | 38.8 | 72,302 |
Lancaster County, South Carolina Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.7% |
| 5–17 | 15.9% |
| 18–24 | 6.5% |
| 25–34 | 11.6% |
| 35–54 | 26.4% |
| 55–64 | 12.3% |
| 65+ | 21.8% |
Dependency Ratios for Lancaster County, South Carolina
- Total Dependency Ratio:
- 76.4
- Youth Dependency:
- 38.0
- Old-Age Dependency:
- 38.4
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Lancaster County, South Carolina
The median age in Lancaster County, South Carolina is 42.5 years.
According to latest Census data, the total population of Lancaster County, South Carolina is 104,475.
In Lancaster County, South Carolina, seniors (ages 65+) make up 21.8% of the population, while children under 18 represent 15.9%.
Based on historical data since 2010, the population in Lancaster County, South Carolina is aging.