Top 10 Notable U.S. Metropolitan Trends

Growth, migration, and job loss were some of the most notable trends to affect the nation's metropolitan areas in 2006.

#2: "Six percent of the population of large U.S. metropolitan areas lives in exurbs."

#3: "More than one-third of the nation's loss of manufacturing jobs between 2000 and 2005 occurred in seven Great Lakes states: Illinois, Indiana, Michigan, New York, Ohio, Pennsylvania, and Wisconsin."

#9: "Middle-income neighborhoods as a proportion of all metropolitan neighborhoods declined from 58 percent in 1970 to 41 percent in 2000, disappearing faster than the share of middle class households in these metro areas."