TABLE 4-5 Supermarket Access by Household Income, Race/Ethnicity, Age, and Vehicle Access

      Distance to Nearest Supermarket (miles)
      High Access (.0.5 mi) Medium Access (0.5–1.0 mi) Low Access (>1.0 mi)
  Number (millions) Mediana (miles) Number in millions (percent)    
Incomeb
    Low-income 79.3 (28.8) 0.76 22.6 (28.5) 26.4 (33.3) 30.2 (38.1)
    Higher-income 196.1 (71.2) 0.87 43.8 (22.3) 66.3 (33.8) 86.1 (43.9)
    All income levels 275.5 (100) 0.84 66.5 (24.1) 92.7 (33.7) 116.3 (42.2)
Race/Ethnicity
    Nonwhite 85.7 (30.7) 0.63 31.4 (36.6) 31.5 (36.8) 22.8 (26.6)
    White 193.9 (69.3) 0.96 39.1 (20.2) 61.3 (31.6) 93.4 (48.2)
    All races/ethnicities 279.6 (100) 0.86 70.5 (25.2) 92.8 (33.2) 116.3 (41.6)
Age
    ≥65 years 34.8 (12.4) 0.81 8.9 (25.7) 11.8 (33.9) 14.4 (40.4)
    65 years 244.8 (87.6) 0.82 61.6 (25.2) 81.0 (33.1) 102.2 (41.8)
    All ages 279.6 (100) 0.82 70.6 (25.2) 92.7 (33.2) 116.3 (41.6)
Vehicle access
    Households without a vehicle 10.8 (10.3) 0.55 5.0 (46.2) 3.4 (31.7) 2.4 (22.1)
    Households with a vehicle 94.1 (89.7) 0.84 22.2 (23.6) 31.7 (33.7) 40.2 (42.7)
    All households 104.9 (100) 0.81 25.9 (25.9) 35.1 (33.5) 42.5 (40.6)

aMedians are weighted by population of each square kilometer grid area.

bLow-income households are those with income less than or equal to 200 percent of the federal poverty level for family size.

SOURCE: Ver Ploeg et al., 2009. Economic Research Service(ERS) analysis based on data from Census of Population, 2000, and the ERS-compiled supermarket directory for the contiguous United States in 2006.



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