Turns out that one member of Congress is refusing to fill out all of the questions on the U.S. Census because she views them to be a violation of privacy. She says she will only tell them the number of people in her household, which she believes is the only stat the Constitution requires. One story on this is here. Of note is that refusing to answer these questions, despite their constitutional questionability, is against the law:
Under federal law, it’s a misdemeanor to “refuse or willfully neglect to complete the questionnaire or answer questions posed by census takers,” punishable by a fine of up to $5,000.
Below is a Fox News segment with Rep. Bachmann: