http://tags.library.upenn.edu/tag/poverty+cities+gis PennTags Feed http://tags.library.upenn.edu/makerecord/url/3732 http://tags.library.upenn.edu/makerecord/url/3732 In this<strong> interactive web site</strong>, you are able to select a city or metropolitan area and view the location of high-poverty census tracts and observe the growth of high-poverty areas over time. In addition, you may view the changing demographics of the population. All of the maps here are based on U.S. Census data from 1970 through 2000. <strong>The data are summarized at the neighborhood level, using Census Tracts as proxies for neighborhoods.</strong>