A Core-Based Statistical Area (CBSA) is a geographical region defined by the Office of Management and Budget (OMB) that centers around an urban area with a population of at least 10,000, encompassing the urban core and its adjacent territories with strong socio-economic ties.
A Micropolitan Statistical Area is a designation used by the U.S. Census Bureau to identify urban areas that have significant population centers with at least 10,000 but fewer than 50,000 inhabitants, often functioning as significant economic hubs within their region.
