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

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

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

Population pyramid for

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


Lancaster County, South Carolina Historical Population Data

YearMedian AgePopulation
202442.5104,475
202342.2100,905
202242.297,611
202142.294,653
202042.595,378
201942.192,308
201842.089,546
201742.086,544
201641.583,704
201541.681,263
201441.079,515
201340.577,946
201240.176,364
201139.374,500
201038.872,302

Lancaster County, South Carolina Age Group Breakdown (2024)

Age CohortPercentage
Under 55.7%
5–1715.9%
18–246.5%
25–3411.6%
35–5426.4%
55–6412.3%
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.
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