Cities and metropolitan areas of the United States

This article includes information about the 100 most populous incorporated cities, the 100 most populous Core Based Statistical Areas (CBSAs), and the 100 most populous Primary Statistical Areas (PSAs) of the United States and Puerto Rico. This information is displayed in two tables. The first table ranks the cities, CBSAs, and PSAs separately by population. The second table displays the areas in hierarchical order by the most populous PSA, then most populous CBSA, and then most populous city.

As defined by the United States Census Bureau, an "incorporated place" includes a variety of designations, including city, town, village, borough, and municipality. A few exceptional Census Designated Places (CDPs) are also included in the Census Bureau's list of incorporated places.

Most recently on December 1, 2009, the United States Office of Management and Budget (OMB) defined 955 Core Based Statistical Areas (CBSAs) for the United States and Puerto Rico. The OMB defines a Core Based Statistical Area as one or more adjacent counties or county equivalents that have at least one urban core area of at least 10,000 population, plus adjacent territory that has a high degree of social and economic integration with the core as measured by commuting ties. The Core Based Statistical Areas currently defined by the OMB include the 374 Metropolitan Statistical Areas (MSAs), which have an urban core population of at least 50,000, and the 581 Micropolitan Statistical Areas (μSAs), which have an urban core population of at least 10,000 but less than 50,000.

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