Robert Manduca, who made an extremely detailed map of job locations in the US back in 2014, recently published a paper with estimates for central business district employment for US metropolitan and micropolitan areas.
Manduca utilizes an algorithm to delineate CBDs as areas of contiguous job density. This creates a standardized calculation of downtowns that allows comparisons across regions. This is very useful because there is no standardized definition of downtowns.
You can download a spreadsheet with summary information about every MSA. In some cases, the largest employment area is suburban, so you’ll see the CBD classified as “suburb” in this case. (The spreadsheet is of the largest employment center in each metro).
Read the rest at Heartland Intelligence.
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