Population Forecast
5 year Forecast - -0.9%
The current population of the Dayton-Springfield-Lima, OH Market is 1,359,777 as of the January 2026 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of -0.9%, resulting in a Population of 1,347,454 by January 2031. This percentage change in Population ranks 152nd across STI Markets. The Dayton-Springfield-Lima, OH Market currently ranks 76th in overall population, and will rank 80th by January 2031.
High and Low Range - -1.9% to 5.2%
While the summation of mid range 5 year forecasts foresee a change in Population of -0.9% for Dayton-Springfield-Lima, OH Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 5.2% at 1,430,150. Similarly a population change as low as -1.9% at 1,334,114 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - -1.9%
By January 2036 we project the Population of the Dayton-Springfield-Lima, OH Market to be 1,333,893 resulting in a change of -1.9% compared to the current Population. This projected percentage change in Population ranks 154th across STI Markets. The Dayton-Springfield-Lima, OH Market currently ranks 76th in overall population, and will rank 83rd by January 2036.
