Population Forecast
5 year Forecast - 2.7%
The current population of the Charleston-Sumter, SC Market is 1,325,527 as of the January 2026 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 2.7%, resulting in a Population of 1,361,450 by January 2031. This percentage change in Population ranks 78th across STI Markets. The Charleston-Sumter, SC Market currently ranks 78th in overall population, and will rank 78th by January 2031.
High and Low Range - -0.4% to 21%
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% at 1,604,059. Similarly a population change as low as -0.4% at 1,320,017 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - 6.1%
By January 2036 we project the Population of the Charleston-Sumter, SC Market to be 1,406,105 resulting in a change of 6.1% compared to the current Population. This projected percentage change in Population ranks 74th across STI Markets. The Charleston-Sumter, SC Market currently ranks 78th in overall population, and will rank 80th by January 2036.
