“The city is becoming more diverse” statement links to an Urban Institute map and race and age…
New York is Raining
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It’s notoriously difficult to make demographic projections, but this was the paragraph that caught my eye in the summary of the Urban Institute 2030 projection for the Western Washington region:

In terms of race, the white population will begin to taper off and start drifting back towards the 3M mark. Meanwhile, while the African-American population will rise slightly, Hispanic and “Other” populations will rise drastically. The “Other” category, which we imagine would be driven largely by the Asian population, will surpass 1M by 2030.

Also, I like to think that Seattle is becoming more diverse in ways that go beyond ethnicity and race. That’s probably not true of class, but it seems like there is an increasing diversity of art, music, food and thinking.