Also consider the cost of day care, for families of a single parent, or where both parents work. Plenty of numbers in: http://www.census.gov/prod/2013pubs/p70-

Also consider the cost of day care, for families of a single parent, or where both parents work. Plenty of numbers in: http://www.census.gov/prod/2013pubs/p70-135.pdf http://www.census.gov/prod/2013pubs/p70-135.pdf