How many people live in Williamsburg County, SC?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 29,900 people living in Williamsburg County, SC. That makes Williamsburg County the 31st-most populous county in South Carolina. It is home to 0.54% of people living in the state.
29.9K
population of Williamsburg County, SC (2024)
0.54%
County share of the South Carolina population (2024)
About 29,900 people lived in Williamsburg County, SC in 2024.
Population estimates, 2000–2024
What are Williamsburg County, SC’s age demographics?
About 7,200 Williamsburg County residents are aged 65 and older in 2024. That represents 24% of its population. For comparison, the age group represents 19.8% of South Carolina’s population and 18% in the US overall.
Another 5,500 Williamsburg County residents, or 18.6% 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 higher share of Williamsburg County, SC's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Williamsburg County, SC’s racial and ethnic demographics?
Non-Hispanic Black or African American residents make up 61.7% of the Williamsburg County, SC population, higher than the national share of 12.6%.
In contrast, Williamsburg County’s non-Hispanic white population accounts for 32.9%, below the 57.5% nationwide, and the Hispanic population makes up 2.8% of the county, compared with 20% 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.
Williamsburg 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 Williamsburg County, SC is Kingstree with about 3,100 residents in 2024.
Cities and towns in Williamsburg County, SC ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Kingstree | 3,055 |
| 2. | Hemingway | 466 |
| 3. | Lane | 451 |
| 4. | Greeleyville | 359 |
| 5. | Stuckey | 189 |
| 6. | Andrews (pt.) | 44 |
| 7. | Balance of Williamsburg County | 25,301 |
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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.
