2011 growth rate: 2.3%
Economy size: $385 billion*

Not too long ago, Michigan was at the bottom of the economic barrel. But the revival of the auto sector has changed all that. Home to America's "big three" automakers, Michigan's manufacturing industry contributed about half of the economic growth in the state last year.

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.