From a total population of 146,888, Sussex County has a median age of 42.8. The average age of males, in Sussex County, is 42.1 while the average age of females is 43.6. When you compare this to median age of New Jersey, Sussex County is 3.5 years older.
The median income of individuals, in Sussex County, is $38,454 while the average household income is $87,397. When comparing the median income of people living in Sussex County to the rest of New Jersey, the average income in Sussex County is $2,095 more.