Census takers looking for any thing other than a direct count are getting paid for "extra-constitutional" activities. I have NEVER answered any questions other than the number of people living in the house, even when they called me late at night. I told them exactly why I had non intention of cooperating. He went away. At best they are wasting tax dollars, at worst, well, I don't like my private business in the hands of any more bureaucrats than absolutely necessary. Besides, if we stop cooperating with the survey, it will be meaningless and maybe they will stop trying. The racial info is the worst. The gorvernment should not be counting us by race.
The husband of a friend is black........and albino. His race doesn't match his appearance. They had fun playing with a census worker once.
The overwhelming majority of government actions and activities aren't specifically mentioned in the Constitution or banned by the Constitution; they're authorized by votes of Congress, including the many and varied Census activities other than the 10-year counts, thus all are legal.