As our nation prepares to ring in the new year, the U.S. Census Bureau today projected the United States population will be 322,762,018 on Jan. 1, 2016. This represents an increase of 2,472,745, or 0.77 percent, from New Year’s Day 2015. Since Census Day (April 1) 2010, the population has grown by 14,016,480, or 4.54 percent.