How many people live in McCormick County, SC?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 10,000 people living in McCormick County, SC. That makes McCormick County the 45th-most populous county in South Carolina. It is home to 0.18% of people living in the state.
9.98K
population of McCormick County, SC (2024)
0.18%
County share of the South Carolina population (2024)
About 10,000 people lived in McCormick County, SC in 2024.
Population estimates, 2000–2024
What are McCormick County, SC’s age demographics?
About 4,200 McCormick County residents are aged 65 and older in 2024. That represents 42.3% of its population. For comparison, the age group represents 19.8% of South Carolina’s population and 18% in the US overall.
Another 990 McCormick County, SC residents, or 9.9% 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 McCormick County, SC's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are McCormick County, SC’s racial and ethnic demographics?
Non-Hispanic white residents make up 60.1% of the McCormick County population, higher than the national share of 57.5%. McCormick County also has a larger share of people identifying as non-Hispanic Black or African American (35.4%) than the US overall (12.6%).
In contrast, McCormick County’s Hispanic population accounts for 2.1%, below the 20% nationwide, and the non-Hispanic Asian population makes up 0.83% 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.
McCormick 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 McCormick County, SC is McCormick with about 2,000 residents in 2024.
Cities and towns in McCormick County, SC ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | McCormick | 1,960 |
| 2. | Parksville | 130 |
| 3. | Plum Branch | 82 |
| 4. | Balance of McCormick County | 7,811 |
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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.
