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It's the difference between a census "combined statistical area" and "metropolitan statistical area". The CSA combines all the metro/micro statistical areas in
by jmccree 12y ago
It's the difference between a census "combined statistical area" and "metropolitan statistical area". The CSA combines all the metro/micro statistical areas in a general area. See http://en.wikipedia.org/wiki/San_Jose-San_Francisco-Oakland,_CA_Combined_Statistical_Area http://en.wikipedia.org/wiki/San_Jose-San_Francisco-Oakland,... .
- danans 12y agoWhat's odd is that the Bay Area's "metropolitan statistical areas" in the article don't align with those listed here: http://en.wikipedia.org/wiki/List_of_Metropolitan_Statistical_Areas http://en.wikipedia.org/wiki/List_of_Metropolitan_Statistica... The wiki page suggests that these are based on social and employment connections that are inferred in part from commute patterns. Perhaps the pairing of SF and San Mateo reflects growing social and economic links between the Peninsula and SF in a way that eclipses SF and San Mateo's historical affinities with Oakland and San Jose respectively.