Delivered January 24, 2020. Contributor: Sameen B.
To remove the interstate migration from the provided dataset (i.e. people who move to Bronx County from all other NY state counties), re-calculate total, and validate these in-migration estimates through another source (either another US census dataset or external source).
After excluding the interstate migration data and recalculating the totals, the latest dataset has been provided in "Updated — New York City (5 counties)" tab of the shared spreadsheet.
NYC Total Inflow — 2013-2017
Updated in-migration data after excluding the interstate migration is as follows:
A total of 24,483 people moved to Bronx County, New York from other US states and abroad.
53,949 people moved to Kings County from other US states and abroad.
90,672 people moved to New York County from other US states and abroad.
42,758 people moved to Queens County from other US states and abroad.
3,885 people moved to Richmond County from other US states and abroad.
Total in-migration in all five NYC counties = 24,483 + 53,949 + 90,672 + 42,758 + 3,885 = 215,747
Hence, a total of 215,747 people moved to NYC from other US states and abroad.
This inflow-only dataset can be found in this shared spreadsheet. We used estimates for "Movers from Different States" and "Movers from Abroad" to find the in-migration to the five counties of NYC.
The in-migration numbers in both datasets are the same.
We also tried to verify these numbers from external sources but found that data for these exact years (2013-2017) is hard to come by and severalnews reports focus more on net migration or out-migration statistics. We could not review any other external sources including the IRS migration data due to shortage of time.
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