Density: three Virginias

Here is a fun map showing the distribution of people across Virginia by the density of their census tract. Each color represents one third of the total population. For the purposes of this post, I’ll refer to them as the “densest…

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Mapping city to city migration

The Census Bureau recently released new migration data based on the 2009-2013 5-year American Community Survey estimates. This data estimates how many people move between each of the country’s metropolitan areas over the course of a year.There are plenty of…

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