From a total population of 54,666, Petaluma has a median age of 41.1. The average age of males, in Petaluma, is 40.2 while the average age of females is 41.9. When you compare this to median age of California, Petaluma is 5.5 years older.
The median income of individuals, in Petaluma, is $35,239 while the average household income is $80,590. When comparing the median income of people living in Petaluma to the rest of California, the average income in Petaluma is $5,333 more.