Visualizing Internal Migration
Two newspapers, the Charlotte Observer and the Fort Worth Star-Telegram, have put together an on-line map to present a graphic look at IRS migration data.
IRS migration data are often used in population estimates and projections programs.
The map allows users to select a county and see graphically, and in tabular form, where in-migrants came from and where out-migrants went to. The map data is limited to county-to-county migration within the US. The tabular presentation also lists international migration (and non-movers) and presents median household income for each group.
The graphic shown here is a national-level view of where in-migrants into Maricopa County, Arizona, originated. Maricopa County was recently listed by the Census Bureau as having the largest numerical population increase since the 2000 Census.
Labels: Census, migration, population
posted by Mike Mahaffie at 9:11 AM
2 Comments:
Do you know if this data was normalized at all or was it compiled using raw values?
While I have no detailed knowledge of the background of this project, I would guess the answer is no, it is not mormalized. It looks very much like raw values to me.
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