From a total population of 629,702, Monmouth County has a median age of 42. The average age of males, in Monmouth County, is 40.7 while the average age of females is 43.3. When you compare this to median age of New Jersey, Monmouth County is 2.7 years older.
The median income of individuals, in Monmouth County, is $43,548 while the average household income is $85,605. When comparing the median income of people living in Monmouth County to the rest of New Jersey, the average income in Monmouth County is $7,189 more.