low-income area
The term “low-income area” means a census tract or block numbering area in which the median income does not exceed 80 percent of the median income for the area in which such census tract or block numbering area is located, and, for the purposes of section 4562(a)(1)(B) of this title , shall include families having incomes not greater than 100 percent of the area median income who reside in minority census tracts and shall include families having incomes not greater than 100 percent of the area median income who reside in designated disaster areas.