People who relocated to the Palmetto State accounted for two-thirds of the state's population growth since 2010, giving South Carolina one of the nation's faster growth rates, new Census Bureau estimates show. The state's ability to attract residents from other states and nations helped give South Carolina the nation's 11th-fastest growth rate in 2013, and the 11th-highest number of new residents in any state that year.

The new Census report breaks that growth down, showing how much came from the "natural increase" - births minus deaths - and how much came from domestic and international migration.

For every person the birth rate added to South Carolina's population since the 2010 census, migration from other states and nations added two.

In the time between the decennial census completed in April 2010, and July 2013, South Carolina gained roughly 150,000 residents. People arriving from other states accounted for half of them, and 22,000 arrived from other nations.

If the population growth trend continues South Carolina could soon pass Alabama to become the state with the 23rd-largest population. It's good news for people in retail and housing-related businesses, but bad news for traffic and open spaces in popular areas.

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The new census data shows an interesting picture of U.S. population growth:

People from overseas moved in large numbers to every region of the country, while those already in the United States left the Northeast and Midwest in droves, mostly moving south.

The U.S. population increased by nearly 7.4 million people during that time, from April 2010 to July 2013, with nearly two-thirds of the growth coming from natural increase due to births and the rest coming from international migration.

In fast-growing states including South Carolina, the equation was reversed, with much of the population growth coming from people moving within the United States.

Across the nation, the Northeast and Midwest lost more than 1.1 million residents because more people moved out than moved in, and most of those folks headed South.

Most of them moved to Texas or Florida. Nearly seven of every 10 people who moved South from another state went to one of those two states.

South Carolina was among a small group where more than half of the population growth came from people relocating. Only Florida, North Dakota and the District of Columbia had a higher percentage of their populations gains attributed to domestic and international migration.