Population Forecast
5 year Forecast - 2.4%
The current population of the Flagstaff, AZ Market is 330,526 as of the January 2026 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 2.4%, resulting in a Population of 338,561 by January 2031. This percentage change in Population ranks 87th across STI Markets. The Flagstaff, AZ Market currently ranks 163rd in overall population, and will rank 162nd by January 2031.
High and Low Range - -3.5% to 8.9%
While the summation of mid range 5 year forecasts foresee a change in Population of 2.4% for Flagstaff, AZ Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 8.9% at 360,012. Similarly a population change as low as -3.5% at 318,980 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - 5.1%
By January 2036 we project the Population of the Flagstaff, AZ Market to be 347,511 resulting in a change of 5.1% compared to the current Population. This projected percentage change in Population ranks 88th across STI Markets. The Flagstaff, AZ Market currently ranks 163rd in overall population, and will rank 161st by January 2036.
