If you want the government people to leave you alone you have to stop obeying them. This is a tough thing to do, and it's silly to just jump in the deep end of noncooperation, so saying NO to the census people is a good starter disobedience. Have your video camera or audio recorder handy, and don't be rude or mean. These people are mostly just folks looking for some work; they aren't the government's aggressors. They probably don't realize the money for their checks comes from coercion and fraud.
There is an entertaining and informative rap video out called Gangsta Government that addresses abuses of freedom by the current Obama administration, although the essence of the criticism is at least bipartisan. The lyrics are on the same page.
"Regulate your light bulbs, your car and your pad,