This article includes information about the 100 most Populous USA incorporated cities, the 100 most populous core-based statistical areas (CBSAs), and the 100 most Populous USA 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 U.S. Census Bureau, an incorporated place includes a variety of designations, including city, town, village, borough, and municipality.^[1] A few exceptional census-designated places (CDPs) are also included in the Census Bureau’s list of incorporated places.^[2]

Most recently on December 1, 2009, the United States Office of Management and Budget (OMB) defined 955 core-based statistical areas (CBSAs)^[3] 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.^[4] 

he core-based statistical areas currently defined by the OMB include the 374 metropolitan statistical areas (MSAs),^[5] which have an urban core population of at least 50,000, and the 581 micropolitan statistical areas (μSAs),^[6] which have an urban core population of at least 10,000 but less than 50,000.

Populous USA

Most recently on December 1, 2009, the United States Office of Management and the Budget also defined 125 combined statistical areas (CSAs) for the United States and 3 CSAs for Puerto Rico. The OMB defines a combined statistical area as two or more adjacent core-based statistical areas that have substantial employment interchange. The CBSAs that combine to create a CSA retain their separate identities within the larger CSA.

Rank table – Populous USA

The 10 most Populous USA cities of the United States (2020 census)

1. New York

2. Los Angeles

3. Chicago

4. Houston

5. Phoenix

6. Philadelphia

7. San Antonio

8. San Diego

9. Dallas

10. San Jose

The sortable table below displays three lists:

1. A list of the 100 most populous incorporated cities of the United States,
2. A list of the 100 most populous core-based statistical areas (CBSAs) of the United States and Puerto Rico, and
3. A list of the 100 most populous primary statistical areas (PSAs) of the United States and Puerto Rico.

The table contains the following information:

1. The city rank by population as of July 1, 2011, as estimated by the United States Census Bureau^[7]
2. The city and state^[7]
3. The city population as of July 1, 2011, as estimated by the United States Census Bureau^[7]
4. The CBSA rank by population as of July 1, 2011, as estimated by the United States Census Bureau^[8]
5. The CBSA name as defined by the United States Office of Management and Budget^[4]
6. The CBSA population as of July 1, 2011, as estimated by the United States Census Bureau^[8]
7. The PSA rank by population as of July 1, 2011, as estimated by the United States Census Bureau^[8][9]
8. The PSA name as defined by the United States Office of Management and Budget^[4]
9. The PSA population as of July 1, 2011, as estimated by the United States Census Bureau^[8][9]

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