Population Forecast
5 year Forecast - 3.5%
The current population of the Columbia-Greenville-Augusta, SC-GA Market is 3,219,549 as of the January 2026 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 3.5%, resulting in a Population of 3,332,216 by January 2031. This percentage change in Population ranks 58th across STI Markets. The Columbia-Greenville-Augusta, SC-GA Market currently ranks 29th in overall population, and will rank 28th by January 2031.
High and Low Range - 0.7% to 15.1%
While the summation of mid range 5 year forecasts foresee a change in Population of 3.5% for Columbia-Greenville-Augusta, SC-GA Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 15.1% at 3,706,720. Similarly a population change as low as 0.7% at 3,242,906 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - 7.6%
By January 2036 we project the Population of the Columbia-Greenville-Augusta, SC-GA Market to be 3,464,529 resulting in a change of 7.6% compared to the current Population. This projected percentage change in Population ranks 58th across STI Markets. The Columbia-Greenville-Augusta, SC-GA Market currently ranks 29th in overall population, and will rank 27th by January 2036.
