To be fair he might have been displaying the median income and husbands and wives might have separate mint.com accounts, although I would be surprised if the typical behavior was to divide the cars and mortgage between two accounts.
Edit: looks like sokoloff and I thought the same thing at the same time
http://en.wikipedia.org/wiki/Household_income_in_the_United_...
To be fair he might have been displaying the median income and husbands and wives might have separate mint.com accounts, although I would be surprised if the typical behavior was to divide the cars and mortgage between two accounts.
Edit: looks like sokoloff and I thought the same thing at the same time