U.S. Census Bureau
So this we know from the 2010 Census, the initial results of which were released today: There are now 308,745,538 people believed to be living in the United States. California remains the nation's most populous state, though its population only grew by 10 percent since 2000, not enough for the state to gain any new seats in Congress. The bulk of the population growth is concentrated in the West and South, with Nevada (up 35 percent) and Texas (up 20 percent) among the big population winners.
The U.S. Census Bureau has yet to release specifics on race and ethnicity. However, much is already being made of the population growth in terms of growing Latino political influence, since some of the states with the most growth, and which will gain representation, are also states with large numbers of Latino residents. The growth in states that tend to vote Republican has been described in some early reports as a hands-down gain for the GOP, but the ethnic factor provides an intriguing wrinkle. Here are a few stories that help put the data in ethnic/political perspective: