From a total population of 17,946, Mariposa County has a median age of 50.2. The average age of males, in Mariposa County, is 50.3 while the average age of females is 50.2. When you compare this to median age of California, Mariposa County is 14.6 years older.
The median income of individuals, in Mariposa County, is $28,327 while the average household income is $50,560. When comparing the median income of people living in Mariposa County to the rest of California, the average income in Mariposa County is $1,579 less.