10 fastest-growing states

These states experienced the fastest growth rates in 2011, which was a mediocre year for economic expansion across the nation.

North Dakota
2011 growth rate: 7.6%
Economy size: $40 billion*

North Dakota has prospered thanks to the oil reserves in the Bakken formation. Mining helped boost the state's economy by 2.81 percentage points last year. Real estate, which is hard to come by thanks to a flood of oil workers to the area, and wholesale trade also contributed to growth.

Source: U.S. Bureau of Economic Analysis
*In current U.S. dollars
By Tami Luhby @CNNMoney - Last updated June 07 2012: 12:51 PM ET
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Economic growth in the states slowed in 2011, coming in at half of the previous year's level.