AS: What is housing segregation by race, and where can we find it?
Khan Academy offers a pretty good explanation
If you want to see measures of housing segregation as of 2020 anywhere in the United States, you can check out the Mapping Race in America map, produced as part of the Roots of Structural Racism Project by the University of California-Berkeley's Othering & Belonging Institute.
You can search for any address, display information at the census tract, county, or state level, and from each decade from 1980 to 2020.