From a total population of 148,067, Fairfield County has a median age of 39.1. The average age of males, in Fairfield County, is 38 while the average age of females is 40.2. When you compare this to median age of Ohio, Fairfield County is roughly the same.
The median income of individuals, in Fairfield County, is $28,099 while the average household income is $60,704. When comparing the median income of people living in Fairfield County to the rest of Ohio, the average income in Fairfield County is $1,579 more.