I don't doubt this is true due to higher cost-of-living, improved services (and therefore more accurate counts... homelessness is severely undercounted in many

I don't doubt this is true due to higher cost-of-living, improved services (and therefore more accurate counts... homelessness is severely undercounted in many places) and the trend that more liberal cities tend not to have the suburbs within city limits (or conversely, cities without suburbs within city limits are more liberal...)