Population Forecast
5 year Forecast - 0.4%
The current population of the St. Louis, MO-IL Market is 3,222,527 as of the April 2025 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 0.4%, resulting in a Population of 3,235,578 by April 2030. This percentage change in Population ranks 135th across STI Markets. The St. Louis, MO-IL Market currently ranks 28th in overall population, and will rank 31st by April 2030.
High and Low Range - -2.4% to 6.5%
While the summation of mid range 5 year forecasts foresee a change in Population of 0.4% for St. Louis, MO-IL Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 6.5% at 3,431,260. Similarly a population change as low as -2.4% at 3,145,461 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - 1%
By April 2035 we project the Population of the St. Louis, MO-IL Market to be 3,255,290 resulting in a change of 1% compared to the current Population. This projected percentage change in Population ranks 134th across STI Markets. The St. Louis, MO-IL Market currently ranks 28th in overall population, and will rank 31st by April 2035.
