The "Metropolitan and Micropolitan Statistical Areas of the United States and Puerto Rico" wall map shows metropolitan and micropolitan statistical areas, collectively referred to as "core based statistical areas" (CBSAs), metropolitan divisions, and their component counties. Versions of this map are available for 2003 - 2017. The June 2003 map has an original and revised version. Please see "Differences Between June 2003 (original) and June 2003 (revised)" below for more details on the differences.
See the Metropolitan and Micropolitan web page for additional information about these areas, including current delineations, historical delienations, and data.