Population Forecast
5 year Forecast - 2%
The current population of the Rapid City, SD Market is 322,250 as of the July 2024 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 2%, resulting in a Population of 328,790 by July 2029. This percentage change in Population ranks 98th across STI Markets. The Rapid City, SD Market currently ranks 164th in overall population, and will rank 165th by July 2029.
High and Low Range - -1% to 11.2%
While the summation of mid range 5 year forecasts foresee a change in Population of 2% for Rapid City, SD Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 11.2% at 358,220. Similarly a population change as low as -1% at 319,145 is not without possibility.

Figure 73: Population Trend and Forecast
10 year Projections - 4.3%
By July 2034 we project the Population of the Rapid City, SD Market to be 336,089 resulting in a change of 4.3% compared to the current Population. This projected percentage change in Population ranks 100th across STI Markets. The Rapid City, SD Market currently ranks 164th in overall population, and will rank 165th by July 2034.