Greenville County Flag

Greenville County

County Seat:
Greenville

Greenville County's estimated 2026 population is 592,380 with a growth rate of 1.59% in the past year according to the most recent United States census data. Greenville County is the largest county in South Carolina. The 2010 population was 452,688 and has seen a growth of 30.86% since that time.

592,380
Total Population
754
Population Density (mi²)
1
Population Rank (State)
9.3K 1.59%
Annual Population Growth

Greenville County Population

Demographics

Economics and Income Statistics