Level Four FAR definition aggregated to ZIP Code areas included 4.8 million residents in 2000.
![Level Four FAR definition aggregated to ZIP Code areas included 4.8 million residents in 2000.](/webdocs/charts/56762/dec12_datafeature_fig04a_768px.png?v=7987.1)
Level Four FAR definition aggregated to ZIP Code areas included 4.8 million residents in 2000.
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