Statistical area
Defined statistical regions of the United States
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Through Urban area
Metropolitan and micropolitan statistical areas are defined as consisting of one or more adjacent counties or county equivalents with at least one urban core area meeting relevant population thresholds, plus adjacent territory that has a high degree of social and economic integration with the core, as measured by commuting ties. A metropolitan statistical area has at least one core with a population of at least 50,000. In a micropolitan statistical area, the largest core has a population of at least 10,000 but less than 50,000.
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Types and distribution
The sortable table below shows the number of combined, metropolitan and micropolitan statistical areas in each of the U.S. states, the District of Columbia, and Puerto Rico as of 2023. For each jurisdiction, it lists:
- Total number of delineated areas wholly or partially in the named jurisdiction
- The number of CSAs wholly or partially in the jurisdiction
- The number of core-based statistical areas (i.e., MSAs and μSAs) wholly or partially in the jurisdiction
- The number of MSAs wholly or partially in the jurisdiction
- The number of μSAs wholly or partially in the jurisdiction