[joshuamorton]

> But look up San Francisco's racial makeup vs Houston's and

They're practically the same if you swap the black and asian populations. This makes a lot of sense: Asian immigrant populations came from the west coast, usually SF. Black populations started in the southeast, and its much easier to migrate from Mississippi to Texas than Mississippi to San Francisco.

[davidw]

San Francisco's black population fell by half at the same time that Houston's remained steady.