Income classifications by zip code calculated for 2016 tobacco data brief.
Income classifications by zip code for 2016 tobacco data brief. 

Income categories are mutually exclusive, and mixed income was identified first as zip codes that had at least ¼ of residents <150 of FPL, at least ¼ of residents at 150-300% FPL, and at least ¼ of residents >300% FPL. Non-mixed- income zip codes were high (>1/3 of residents >300% FPL) or low (>1/3 of residents <150% FPL) income.
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