Population Forecast
5 year Forecast - 2.1%
The current population of the Billings, MT Market is 341,580 as of the January 2026 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 2.1%, resulting in a Population of 348,657 by January 2031. This percentage change in Population ranks 97th across STI Markets. The Billings, MT Market currently ranks 160th in overall population, and will rank 159th by January 2031.
High and Low Range - -0.4% to 9.6%
While the summation of mid range 5 year forecasts foresee a change in Population of 2.1% for Billings, MT Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 9.6% at 374,307. Similarly a population change as low as -0.4% at 340,265 is not without possibility.

Figure 73: Population Trend and Forecast
10 year Projections - 4.1%
By January 2036 we project the Population of the Billings, MT Market to be 355,450 resulting in a change of 4.1% compared to the current Population. This projected percentage change in Population ranks 102nd across STI Markets. The Billings, MT Market currently ranks 160th in overall population, and will rank 159th by January 2036.



