From a total population of 824,046, Middlesex County has a median age of 37.6. The average age of males, in Middlesex County, is 36.4 while the average age of females is 38.7. When you compare this to median age of New Jersey, Middlesex County is 1.7 years younger.
The median income of individuals, in Middlesex County, is $34,616 while the average household income is $80,118. When comparing the median income of people living in Middlesex County to the rest of New Jersey, the average income in Middlesex County is $1,743 less.