Population Demographics
As of 2025 the population of San Pablo is 31,829. The population is expected to shrink to 31,741 by 2030 - a growth rate of -0.06%.
The median age of San Pablo residents is 36.
The diversity index of San Pablo is 86.0, 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.
