How many people live in Darlington County, SC?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 62,400 people living in Darlington County, SC. That makes Darlington County the 23rd-most populous county in South Carolina. It is home to 1.1% of people living in the state.
62.4K
population of Darlington County, SC (2024)
1.1%
County share of the South Carolina population (2024)
About 62,400 people lived in Darlington County, SC in 2024.
Population estimates, 2000–2024
What are Darlington County, SC’s age demographics?
About 12,800 Darlington County, SC residents are aged 65 and older in 2024. That represents 20.5% of its population. For comparison, the age group represents 19.8% of South Carolina’s population and 18% in the US overall.
Another 13,900 Darlington County residents, or 22.2% of the population, were children under 18. For comparison, the age group represents 21.2% of South Carolina’s population and 21.6% in the US overall.
A lower share of Darlington County, SC's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Darlington County, SC’s racial and ethnic demographics?
Non-Hispanic Black or African American residents make up 41.4% of the Darlington County, SC population, higher than the national share of 12.6%.
In contrast, Darlington County’s Hispanic population accounts for 2.7%, below the 20% nationwide, and the non-Hispanic Asian population makes up 0.66% of the county, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Darlington County, SC has a higher share of a non-Hispanic Black or African American population than South Carolina as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Darlington County, SC is Hartsville with about 7,400 residents in 2024.
Cities and towns in Darlington County, SC ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Hartsville | 7,360 |
| 2. | Darlington | 6,045 |
| 3. | Lamar | 851 |
| 4. | Society Hill | 426 |
| 5. | Florence (pt.) | |
| 6. | Balance of Darlington County | 47,743 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
