23.5 million - The number of Americans don’t have access to a supermarket within a mile of their home
8 - The percent of African Americans who live in a census tract with a supermarket, compared to 31 percent of whites
30 - The number of miles that 70 percent of Mississippi food stamp-eligible families live from the closest large grocery store
32 - The percent increase in fruit and vegetable consumption for African Americans with each new supermarket in their neighborhood
5000 - The number of jobs created by the Pennsylvania Fresh Food Financing Initiative, which provides grants and loans to help locate supermarkets and farmers markets in low-income communities. The Obama Administration and First Lady are trying to bring this program to national scale.
Two very significant reports that address this issue, an issue that is a significant problem in Dallas as well, can be found here and here.