Where are the newest Seattleites coming from?

According to data released by the U.S. Census Bureau, the Emerald City's population jumped from 608,660 in 2010 to 704,352 in 2016. That massive 15.7 percent increase helps explain the Seattle's economic boom, as well as the rise in cost of living and strains on the city's infrastructure. But who are all these new Seattleites?