Population Forecast
5 year Forecast - 3%
The current population of the Great Falls, MT Market is 838,362 as of the April 2025 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 3%, resulting in a Population of 863,621 by April 2030. This percentage change in Population ranks 71st across STI Markets. The Great Falls, MT Market currently ranks 109th in overall population, and will rank 109th by April 2030.
High and Low Range - -1.1% to 12.7%
While the summation of mid range 5 year forecasts foresee a change in Population of 3% for Great Falls, MT Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 12.7% at 944,813. Similarly a population change as low as -1.1% at 829,074 is not without possibility.

Figure 73: Population Trend and Forecast
10 year Projections - 5.8%
By April 2035 we project the Population of the Great Falls, MT Market to be 887,215 resulting in a change of 5.8% compared to the current Population. This projected percentage change in Population ranks 78th across STI Markets. The Great Falls, MT Market currently ranks 109th in overall population, and will rank 109th by April 2035.



