[[File:Metropolitan and Micropolitan Statistical Areas (CBSAs) of the United States and Puerto Rico, Mar 2020.gifpng|left|thumb|720x720px|An enlargeable map of the 939 [[core-based statistical area]]s (MSAs and μSAs) of the [[United States]] and [[Puerto Rico]]. The 392 MSAs are shown in medium green {{color box|#008060}}. The 547 μSAs are shown in light green {{color box|#609f8f}}.]]
[[File:Combined Statistical Areas (CSAs) of the United States and Puerto Rico, Mar 2020.gifpng|thumb|left|720px|An enlargeable map of the 563 primary statistical areas (PSAs) of the [[United States]] and [[Puerto Rico]]. The 175 [[combined statistical area]]s (CSAs) are shown in <span style="color:#008060;">shades of green</span>. The 123 [[metropolitan statistical area]]s (MSAs) outside CSAs are shown in <span style="color:#FF9300;">medium tan</span>. The 265 [[micropolitan statistical area]]s (μSAs) outside CSAs are shown in <span style="color:#FFC980;">light tan</span>.]]