Claim is based on flimsy evidence
"Early census returns are showing that conservatives have been measurably less likely than liberals to return their census forms."
— PolitiFact National
on Wednesday, April 7th, 2010
Not always as simple as "Check race here"
"The most private question on this year’s form asks for an individual’s race, and that question has been asked by every census since the 1790 census conducted under then-President George Washington."
It's 10 questions, and there's no long form
"This census is also the shortest and least intrusive count in modern history."