According to CNSnews.com, Maricopa County experienced explosive growth between July 2015 and July 2016. By explosive, it was had the highest growth of any county in the nation.
Chicago, Detroit and Baltimore lead the nation in largest population drop and Maricopa County had the largest population gain in the country.
We love Arizona and can totally understand why people want to move here. Good weather, good people, good food and entertainment, and good insurance rates.