Unless a census taker can show me a constitutional requirement, the only information I plan to give are the number and names of the people in my household. The census taker might say, "It's the law." Thomas Jefferson said, "Whensoever the General Government (Washington) assumes undelegated powers, its acts are unauthoritative, void, and of no force."For those of you wondering, I doubt that Williams would accept the General Welfare clause as applying in this case. He kind of hates that clause anyway. But this would seem an ideal place to apply it. Gathering that information is useful for administering government programs and for research purposes.
But then again Williams opposes most of those government programs as well, if not all of them.