Population Demographics
As of 2026 the population of Hercules is 26,819. The population is expected to grow to 27,226 by 2031 - a growth rate of 0.30%.
The median age of Hercules residents is 44.
The diversity index of Hercules is 77.3, meaning that there is a 77% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
