Population Demographics
As of 2026 the population of Benicia is 26,461. The population is expected to shrink to 26,341 by 2031 - a growth rate of -0.09%.
The median age of Benicia residents is 46.
The diversity index of Benicia is 71.7, meaning that there is a 72% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
