From a total population of 60,236, Waltham has a median age of 33.5. The average age of males, in Waltham, is 33.2 while the average age of females is 34.1. When you compare this to median age of Massachusetts, Waltham is 5.8 years younger.
The median income of individuals, in Waltham, is $35,642 while the average household income is $73,162. When comparing the median income of people living in Waltham to the rest of Massachusetts, the average income in Waltham is $799 less.