In the United States, a metropolitanstatisticalarea (MSA) is a geographical region with a relatively high population density at its core and close economic
Dallas–Fort Worth–Arlington metropolitanstatisticalarea is formed by a combination of two separate metropolitanstatistical divisions. The Dallas–Plano–Irving
The Salem MetropolitanStatisticalArea (MSA), as defined by the United States Census Bureau, is a MetropolitanStatisticalArea consisting of two counties
Combined statisticalarea (CSA) is a United States Office of Management and Budget (OMB) term for a combination of adjacent metropolitan (MSA) and micropolitan