Population Forecast
5 year Forecast - 2.3%
The current population of the San Diego, CA Market is 3,293,723 as of the January 2026 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 2.3%, resulting in a Population of 3,370,957 by January 2031. This percentage change in Population ranks 90th across STI Markets. The San Diego, CA Market currently ranks 26th in overall population, and will rank 26th by January 2031.
High and Low Range - -1.4% to 7.7%
While the summation of mid range 5 year forecasts foresee a change in Population of 2.3% for San Diego, CA Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 7.7% at 3,547,892. Similarly a population change as low as -1.4% at 3,246,860 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - 5.1%
By January 2036 we project the Population of the San Diego, CA Market to be 3,460,100 resulting in a change of 5.1% compared to the current Population. This projected percentage change in Population ranks 89th across STI Markets. The San Diego, CA Market currently ranks 26th in overall population, and will rank 28th by January 2036.
