Is Horry County, SC's population growing or shrinking?
Refreshed annually
It grew by 13,200 between 2024 and 2025, the 23rd-most among all counties in the US. Changes in population reflect birth and death rates, immigration patterns, regional shifts, and even the overall health of the economy. Horry County, SC’s 3.2% annual increase was primarily driven by people moving from other states.
In the decade between 2015 and 2025, Horry County, SC’s population grew by 38.2%.
+13.2K
population change (2024 to 2025)
+3.2%
percent change in population (2024 to 2025)
Since 2000, Horry County, SC’s population increased 24 out of 25 years. The largest increase occurred between 2021 and 2022, when Horry County, SC gained 17,500 residents. Its largest decline occurred between 2019 and 2020 when there were 644 fewer residents.
Horry County, SC gained 13,200 residents between 2024 and 2025.
Annual population change, 2001–2025
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What contributes to population change in Horry County, SC?
A county’s population is influenced by three factors:
- Natural population change: If births outnumber deaths in a given year, natural population growth is positive. If deaths exceed births, it is negative. Between 2024 and 2025 natural population change was negative in Horry County, SC, with deaths exceeding births by 1,800.
- Immigration: international migration directly into or out of a county: If more people move in than move out, population change from immigration is positive. If more people move out than move in, it’s negative. Between 2024 to 2025, Horry County, SC’s population change from immigration was positive with about 861 more people coming from another country directly to Horry County, SC than leaving.
- Domestic migration, moving between counties: Between 2024 to 2025, Horry County, SC’s population change from domestic migration was positive with about 14,200 more people coming from any other county in the US.
Between 2024 and 2025, domestic migration was the primary driver of population growth in Horry County, SC.
Components of population change from previous year, 2011–2025
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
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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.
