Every single big, forgotten, rust-belt city underwent similar growth periods and somehow figured it out. This isn't an unprecedented or technically difficult problem to solve.
Take a look a Detroit's population boom at the beginning of the last century:
And you think 21st-century Seattle can't absorb 142,252 people?
How did Detroit do it? They built vast tracts of densely-situated multi-story apartment buildings. Did that change the character of those neighborhoods? Obviously. So what?
Take a look a Detroit's population boom at the beginning of the last century:
And you think 21st-century Seattle can't absorb 142,252 people?How did Detroit do it? They built vast tracts of densely-situated multi-story apartment buildings. Did that change the character of those neighborhoods? Obviously. So what?
There is no mystery here.