From a total population of 103,683, Fairfield has a median age of 33. The average age of males, in Fairfield, is 31 while the average age of females is 34.7. When you compare this to median age of California, Fairfield is 2.6 years younger.
The median income of individuals, in Fairfield, is $25,809 while the average household income is $71,306. When comparing the median income of people living in Fairfield to the rest of California, the average income in Fairfield is $4,097 less.