How America's 'places to be' have shifted over the past 100 years

The story of the U.S. population is one of fluidity. Of the 50 states plus Washington, D.C., and Puerto Rico, more than half jumped ahead or fell behind others this year, despite state population totals that showed the nation’s slowest population growth since the 1930s. James Gregory, professor of history at the UW, is quoted.

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