The 23rd decennial census of the U.S. population began on January 25, 2010, in Noorvik, AK, where the U.S. Bureau of the Census (Census Bureau) Director, among others, traveled by snowmobile and dogsled to enumerate the residents. Most households in the United States-about 120 million-received their census forms by mail in March, ahead of the official April 1 Census Day, and 74% of the households that received forms mailed them back. From May through...