Population Forecast
5 year Forecast - 2.8%
The current population of the Indianapolis, IN Market is 3,258,727 as of the January 2026 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 2.8%, resulting in a Population of 3,349,376 by January 2031. This percentage change in Population ranks 77th across STI Markets. The Indianapolis, IN Market currently ranks 27th in overall population, and will rank 27th by January 2031.
High and Low Range - -0.3% to 12.1%
While the summation of mid range 5 year forecasts foresee a change in Population of 2.8% for Indianapolis, IN Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 12.1% at 3,653,066. Similarly a population change as low as -0.3% at 3,248,928 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - 5.9%
By January 2036 we project the Population of the Indianapolis, IN Market to be 3,452,032 resulting in a change of 5.9% compared to the current Population. This projected percentage change in Population ranks 77th across STI Markets. The Indianapolis, IN Market currently ranks 27th in overall population, and will rank 29th by January 2036.
