[bailoon]

> Given the ever falling birth rate, it likely never will.

But Seattle and Washington are attracting people from the world and the rest of the nation. Both Seattle and Washington have been experience positive population growth for decades now.

[MobiusHorizons]

I believe the relevant factor is the ratio of school aged children to adults. This determines the relative demand for schools over other amenities such as housing. That ratio is largely dependent on the birthrate regardless of the population or density of the city. While people are moving in, it's not clear that new residents have a higher average birthrate than existing residents.