Population Demographics
As of 2026 the population of San Pablo is 31,807. The population is expected to shrink to 31,663 by 2031 - a growth rate of -0.09%.
The median age of San Pablo residents is 36.
The diversity index of San Pablo is 85.9, meaning that there is a 86% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
