From a total population of 817,720, Baltimore County has a median age of 39.1. The average age of males, in Baltimore County, is 37.4 while the average age of females is 40.7. When you compare this to median age of Maryland, Baltimore County is 1.0 year older.
The median income of individuals, in Baltimore County, is $34,701 while the average household income is $66,940. When comparing the median income of people living in Baltimore County to the rest of Maryland, the average income in Baltimore County is $1,969 less.