The very largest concentrations of metropolitan populations are referred to as __________.

Question

Quizplus · Accepted Answer

CSAs (Combined Statistical Areas) are the largest concentrations of metropolitan populations, which combine adjacent metropolitan and micropolitan areas with strong economic ties. MSAs (Metropolitan Statistical Areas) are composed of one or more urbanized areas with a total population of at least 50,000. UAs (Urban Areas) are contiguous census blocks with a population density of at least 1,000 people per square mile. PMSAs (Primary Metropolitan Statistical Areas) are for areas that have two or more MSAs that are geographically close together, but function as separate metro areas.

The Very Largest Concentrations of Metropolitan Populations Are Referred to as __________