Here are some interesting stats about dads.
We found the following from the U.S. Census Bureau:

In 2006 the Census Bureau estimated there were 66.3 million fathers in the United States. Source: Census
They estimated there are 105,000 stay-at-home dads caring for 189,000 children under 15. Source: Census
Two million preschoolers receive the majority of their childcare from their [...]