Population Forecast
5 year Forecast - 2.7%
The current population of the Charleston-Sumter, SC Market is 1,315,708 as of the April 2025 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 2.7%, resulting in a Population of 1,351,240 by April 2030. This percentage change in Population ranks 78th across STI Markets. The Charleston-Sumter, SC Market currently ranks 78th in overall population, and will rank 79th by April 2030.
High and Low Range - -2.3% to 21.1%
While the summation of mid range 5 year forecasts foresee a change in Population of 2.7% for Charleston-Sumter, SC Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 21.1% at 1,593,723. Similarly a population change as low as -2.3% at 1,286,089 is not without possibility.

Figure 73: Population Trend and Forecast
10 year Projections - 6%
By April 2035 we project the Population of the Charleston-Sumter, SC Market to be 1,395,053 resulting in a change of 6% compared to the current Population. This projected percentage change in Population ranks 75th across STI Markets. The Charleston-Sumter, SC Market currently ranks 78th in overall population, and will rank 81st by April 2035.



