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Horry County

County Seat:

Horry County's estimated 2025 population is 426,140 with a growth rate of 3.48% in the past year according to the most recent United States census data. Horry County is the 4th largest county in South Carolina. The 2010 population was 270,295 and has seen a growth of 57.66% since that time.

426,140
Total Population
376
Population Density (mi²)
4
Population Rank (State)
14.3K 3.48%
Annual Population Growth

Horry County Population

Demographics

Economics and Income Statistics