Population Forecast
5 year Forecast - -3.8%
The current population of the Topeka, KS Market is 473,594 as of the January 2026 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of -3.8%, resulting in a Population of 455,802 by January 2031. This percentage change in Population ranks 166th across STI Markets. The Topeka, KS Market currently ranks 150th in overall population, and will rank 151st by January 2031.
High and Low Range - -5.2% to 4.8%
While the summation of mid range 5 year forecasts foresee a change in Population of -3.8% for Topeka, KS Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 4.8% at 496,481. Similarly a population change as low as -5.2% at 449,046 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - -5.8%
By January 2036 we project the Population of the Topeka, KS Market to be 445,939 resulting in a change of -5.8% compared to the current Population. This projected percentage change in Population ranks 166th across STI Markets. The Topeka, KS Market currently ranks 150th in overall population, and will rank 152nd by January 2036.
