Movement within the country has been at low levels; people tend to stay put when economic times are bad, as they did in the 1930s.
But New York, New Jersey, Connecticut and Illinois did see an outflow of more than 1 percent of their 2010 populations. People evidently aren't enamored of their high (and in Connecticut and Illinois, increased ) tax rates.
And there was significant outflow from the auto states of Michigan and Ohio, as well. But outflow from California was much lower than in the past and amounted to less than half of the immigrants who moved in.
The biggest domestic inflow in percentage terms, though the numbers aren't huge, was to booming North Dakota and the District of Columbia, 2.6 and 2.4 percent of their 2010 populations. That's big in just two years.
After that, the biggest inflows in percentage terms were in the second-largest and soon to be third-largest states, Texas and Florida, and in Colorado. Tampa, Orlando, Houston, Austin, Dallas and Denver are drawing people in.
Nationally, natural increase -- the excess of births (8.9 million) over deaths (5.6 million) -- was almost double the number of immigrants (1.8 million).
The highest rates of natural increase were in majority-Mormon Utah and then, well behind, in California and Texas, both 38 percent Hispanic in 2010. Babies seem to come disproportionately to opposite ends of the political spectrum.
The big stories: the Bakken shale, big government, the Texas boom and the continued slide down I-95 from the Northeast to the South Atlantic from Washington, D.C., to Florida.
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