It's widely believed that population of a certain area is a reflection of its economic and cultural conditions. Last week, BUILDER featured the top 10 fastest growing metros in 2015. New Geography's Wendell Cox takes a slightly different perspective and investigates the top 10 large counties (over 500,000 population) that have had the biggest population influx between 2014 and 2015. Citing U.S. Census Bureau data, Cox finds that counties in Texas, Florida, and other southern states are the most popular destinations for movers. Cox writes,

As last week's US Census Bureau population estimates indicated, the story of population growth between 2014 and 2015 was largely about Texas, as it has been for the decade starting 2010. The same is largely true with respect to population trends in the nation's largest counties, with The Lone Star state dominating both in the population growth and domestic migration among 135 counties with more than 500,000 population. Florida also did very well, especially in view of the population and migration reversals that occurred around the Great Recession. Strong showings in other Southern states ensured that 80 percent of the fastest-growing large counties and those with the fastest domestic migration rates were in the South. The few remaining positions were taken up by metropolitan areas in the West.

The top inbound large counties in the U.S. are:

  1. Fort Bend, Texas,
  2. Montgomery, Texas,
  3. Denton, Texas,
  4. Lee, Fla.
  5. Collin, Texas,
  6. Denver, Colo.,
  7. Orange, Fla.,
  8. Wake, N.C.,
  9. Utah, Utah,
  10. Polk, Fla.
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