North Dakota’s total population climbed by 2.17 percent between July 1, 2011, and July 1, 2012. This is the fastest growth of any state, and nearly three times faster than the nation as a whole, according to Census Bureau state population estimates. Following North Dakota in terms of percent increase over the same period were the District of Columbia (2.15 percent), Texas (1.67 percent), Wyoming (1.60 percent), Utah (1.45 percent) and Nevada (1.43 percent). California remained the most populous state, with a July 1 population of 38.0 million. Rounding out the top five states were Texas (26.1 million), New York (19.6 million), Florida (19.3 million) and Illinois (12.9 million).