Population Forecast
5 year Forecast - 7.1%
The current population of the Austin-San Marcos, TX Market is 2,772,859 as of the January 2026 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 7.1%, resulting in a Population of 2,970,779 by January 2031. This percentage change in Population ranks 9th across STI Markets. The Austin-San Marcos, TX Market currently ranks 39th in overall population, and will rank 36th by January 2031.
High and Low Range - 1.2% to 40.5%
While the summation of mid range 5 year forecasts foresee a change in Population of 7.1% for Austin-San Marcos, TX Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 40.5% at 3,894,527. Similarly a population change as low as 1.2% at 2,806,379 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - 16.1%
By January 2036 we project the Population of the Austin-San Marcos, TX Market to be 3,220,272 resulting in a change of 16.1% compared to the current Population. This projected percentage change in Population ranks 8th across STI Markets. The Austin-San Marcos, TX Market currently ranks 39th in overall population, and will rank 34th by January 2036.
