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How would this merge happen though? If Trenton joins Philly MSA, but still stays in NYC CSA, that will automatically join both CSA?
Yes, it only takes one county to make the connection, or at least based on the recomendation or if you go by the 2000 criteria, the same way DC/Balt or SF/SJ are linked as a CSA
Yes, it only takes one county to make the connection, or at least based on the recomendation or if you go by the 2000 criteria, the same way DC/Balt or SF/SJ are linked as a CSA
How do you become a MSA then? 25% and 15% for a CSA, what would the numbers be to form one MSA?
How do you become a MSA then? 25% and 15% for a CSA, what would the numbers be to form one MSA?
Howard or AnneArundel would have to generate a 25% commuter rate with DC MSA counties or PG and Montgomery vice versa, think Howard and/or AnneArundel sending at least 25% of their workforce into the DC MSA would be more likely but I could be wrong. Howard would need to send ~50,000 commuters to the DC MSA or AnneArundel ~80,000.
I honestly do not know what the numbers were in 2000, would need to look it up
Funny thing is on DFW, the growth in jobs and population sizes could actually one day split the DFW MSA to a Dallas MSA and a FT Worth MSA and just linked at the CSA level, it can actually go both ways, a push and pull so to speak
In general the most likely counties to move into any MSA are one with growth on the edge of county nearest the core and with smaller populations, or bases, then the 25% is more easily attained, large counties and more completely developed counties make it much more difficult to break various thresholds typically.
All this being said, I still think for purposes of sizing MSAs the building blocks should be census blocks and not counties, counties are so arbitrary in so many ways on the linkage. This would likely make all areas smaller but would probably better represent the developed influence so to speak. In an area like DC and Baltimore it could actually more accurately split places like AnnaArundel and howard where different parts of the counties are really more aligned one way or another.
As an example a town like Hammonton NJ is part of Atlantic county New Jersey and directly borders Camden county, It is not considered part of the Philly MSA yet 80% of workers commute into the Philly MSA, the other side of Hammonton is the pine Barrens Forrest with virtually no development from there to basically just outside of Atlantic City, but because of the county affiliation none of the this is added in the Philly MSA or CSA for that matter
Funny thing is on DFW, the growth in jobs and population sizes could actually one day split the DFW MSA to a Dallas MSA and a FT Worth MSA and just linked at the CSA level, it can actually go both ways, a push and pull so to speak
I would be fine with that. Its not as if Dallas or Fort Worth would magically become different places if they were just a CSA and not an MSA.
Omaha will for sure be adding Dodge County which (According to 2009 estimates) helps it surpass 900,000 people. I know this because the migration patterns in Dodge county have surpassed the 25% mark in 2006 as Omaha quickly marches straight towards this county.
Two of Omaha's MSA counties (saudners and Cass) are now qualified to be an MSA county for the Lincoln MSA. I do not know if that will have any affect on if it will help them become a CSA or MSA when the new definitions come out, but the two cities are growing right at each other. (1,200,000+ people)
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