How many people live in Greenville County, SC?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 570,700 people living in Greenville County, SC. That makes Greenville County the most populous county in South Carolina. It is home to 10.2% of people living in the state.
571K
population of Greenville County, SC (2024)
10.2%
County share of the South Carolina population (2024)
About 570,700 people lived in Greenville County, SC in 2024.
Population estimates, 2000–2024
What are Greenville County, SC’s age demographics?
About 99,100 Greenville County residents are aged 65 and older in 2024. That represents 17.4% of its population. For comparison, the age group represents 19.8% of South Carolina’s population and 18% in the US overall.
Another 128,100 Greenville County residents, or 22.4% 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 Greenville County, SC's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Greenville County, SC’s racial and ethnic demographics?
Non-Hispanic white residents make up 65.6% of the Greenville County, SC population, higher than the national share of 57.5%. Greenville County, SC also has a larger share of people identifying as non-Hispanic Black or African American (16.9%) than the US overall (12.6%).
In contrast, Greenville County’s Hispanic population accounts for 12.4%, below the 20% nationwide, and the non-Hispanic Asian population makes up 2.9% 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.
Greenville County, SC has a higher share of a Hispanic population than South Carolina as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Greenville County, SC is Greenville with about 74,400 residents in 2024.
Cities and towns in Greenville County, SC ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Greenville | 74,371 |
| 2. | Greer (pt.) | 33,211 |
| 3. | Mauldin | 29,746 |
| 4. | Simpsonville | 28,078 |
| 5. | Fountain Inn (pt.) | 10,286 |
| 6. | Travelers Rest | 8,960 |
| 7. | Balance of Greenville County | 386,093 |
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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.
