Michael Luis is a public policy consultant who has been wrestling with housing, growth and economic development issues around Washington State for over 30 years. He is author of several books on local history and served as mayor of Medina.
The rapid hiring by Amazon explains a good deal of the Millennial bulge. At the other end of the age spectrum, few older people migrate to a place like King County, and some older people will migrate out to warmer, quieter, less expensive places.
In dynamic West Coast cities, attracting young people from around the country does not seem to be a problem. Whether they choose to stay and build their lives in these cities is another question, and is tied closely to the price of housing and the lengths of commutes.
Anyone with gauzy notions that things were easier back then — the myth of the ten white guys with cigars calling the shots from the Rainier Club — has not studied much regional history. Getting stuff done was hard back then, too.