April 1, 2010 is Census Day.
Taken from the U.S. Census Bureau website - Did you know: In 1790, the first census was taken by U.S. marshals on horseback and counted 3.9 million people.
The last census taken in the year 2000 counted more than 281 million people.The census, taken every 10 yrs, is mandated by the U.S. Constitution.
Purpose (other than genealogy) : Census data are used to distribute Congressional seats to states, to make decisions about what community services to provide, and to distribute $300 billion in federal funds to local, state and tribal governments each year.
And what we all want to know the most: The April 1st, 1940 census will be released on Sun, April 1st, 2012.