Greeley, Colo.
2010 population: 252,825
2000 population: 180,826
Growth: 39.7%
Millions of Americans continue to follow the advice of this town's motto and "Go west and grow with the country."
There is opportunity here, including many jobs for unskilled labor in the meat-packing plants. That has attracted a large Latino population, which accounts for more than a third of the residents in this northern Colorado town.
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Last updated March 28 2011: 4:19 PM ET
