page_title: List of micropolitan statistical areas
section_title: United States
hierarchical_section_title: List of micropolitan statistical areas / United States
caption_attribution_description: English: Metropolitan and Micropolitan Statistical Areas (CBSAs) of the United States and Puerto Rico, Feb 2013 Source http://www2.census.gov/geo/maps/metroarea/us_wall/Feb2013/cbsa_us_0213_large.gif High resolution vector PDF located at http://www2.census.gov/geo/maps/metroarea/us_wall/Feb2013/cbsa_us_0213.pdf
context_page_description: The United States Office of Management and Budget has defined 550 micropolitan statistical areas for the United States and five for Puerto Rico. The OMB defines a Micropolitan 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 but less than 50,000, plus adjacent territory that has a high degree of social and economic integration with the core as measured by commuting ties.
context_section_description: The following sortable table lists the 550 micropolitan statistical areas (μSAs) of the United States with the following information:
  The μSA rank by population as of July 1, 2018, as estimated by the United States Census Bureau
  The μSA name as designated by the United States Office of Management and Budget
  The μSA population as of July 1, 2018, as estimated by the United States Census Bureau
  The μSA population as of April 1, 2010, as enumerated by the 2010 United States Census
  The percent μSA population change from April 1, 2010, to July 1, 2018
  The combined statistical area (CSA) if the μSA is a component
caption: An enlargeable map of the 929 core-based statistical areas (CBSAs) of the United States and Puerto Rico. The 389 metropolitan statistical areas (MSAs) are shown in medium green. The 536 micropolitan statistical areas (μSAs) are shown in light green.