Population Forecast
5 year Forecast - -0.7%
The current population of the Quincy-Hannibal-Kirksville, IL-MO Market is 345,695 as of the January 2026 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of -0.7%, resulting in a Population of 343,103 by January 2031. This percentage change in Population ranks 150th across STI Markets. The Quincy-Hannibal-Kirksville, IL-MO Market currently ranks 159th in overall population, and will rank 161st by January 2031.
High and Low Range - -3.2% to 2.7%
While the summation of mid range 5 year forecasts foresee a change in Population of -0.7% for Quincy-Hannibal-Kirksville, IL-MO Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 2.7% at 355,063. Similarly a population change as low as -3.2% at 334,800 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - -1.6%
By January 2036 we project the Population of the Quincy-Hannibal-Kirksville, IL-MO Market to be 340,236 resulting in a change of -1.6% compared to the current Population. This projected percentage change in Population ranks 153rd across STI Markets. The Quincy-Hannibal-Kirksville, IL-MO Market currently ranks 159th in overall population, and will rank 162nd by January 2036.
