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Richard Florida explores the geography of dollar stores—they’re proliferating, particularly in the south, and even more affluent people are taking advantage of them. But, he contends, they tend to be concentrated in areas of high rates of smoking, poverty, obesity, and religiosity:

Virginia, Mississippi, Alabama and Louisiana have the largest concentrations of dollar stores. Indeed, something like a “dollar store belt” can be discerned, stretching from Ohio and Indiana in the north, through Kentucky and Tennessee to the Gulf Coast.

Within the District, there aren’t actually very many dollar stores per 10,000 residents, but it is worth noting that ones here tend to be found east of Rock Creek Park in less affluent residential neighborhoods.

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