Population Forecast
5 year Forecast - 0.9%
The current population of the Peoria-Pekin-Bloomington-Normal, IL Market is 719,717 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 726,040 by January 2031. This percentage change in Population ranks 128th across STI Markets. The Peoria-Pekin-Bloomington-Normal, IL Market currently ranks 123rd in overall population, and will rank 123rd by January 2031.
High and Low Range - -1.8% to 5%
While the summation of mid range 5 year forecasts foresee a change in Population of 0.9% for Peoria-Pekin-Bloomington-Normal, IL Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 5% at 756,026. Similarly a population change as low as -1.8% at 706,729 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - 1.9%
By January 2036 we project the Population of the Peoria-Pekin-Bloomington-Normal, IL Market to be 733,524 resulting in a change of 1.9% compared to the current Population. This projected percentage change in Population ranks 128th across STI Markets. The Peoria-Pekin-Bloomington-Normal, IL Market currently ranks 123rd in overall population, and will rank 125th by January 2036.
