Let's just ignore the rural areas and suburbs. Let's even ignore party (since most big cities are democrat run at this point).
Even with all of those things held the same, the West Coast cities are still uniquely bad not just in the people without permanent housing but also their lack of ability to do anything.
This particular article points to housing supply. Again, this is a simple choice. For example, my city of Portland, which is very high on this list, makes it impossible to build anything (tree planting requirements, years long waits for final premits, rent control, urban growth boundary, high tax state gov't, etc). It's terrible. At the end of the day though, Portlanders are Americans and will experience the same outcomes should the state just be normal