Overview of Community Characteristics in Areas With Concentrated Poverty. Researchers most often define concentrated poverty as a significantly high proportion of areas residents living below the poverty level.
The concentrated poverty literature typically uses Census tracts as the geographical boundaries for studying high poverty communities. The Zip Code Tabulation Area (ZCTA) is, on average, a larger boundary, reflective in most cases of actual zip code boundaries, in which several Census tracts may exist. Census tract boundaries are determined based