This investigation determines the social and economic conditions specific to the population of depressed urban area of Pereira between 2003-2007, also drew on aspects determining how people buy these products and services offered in the formal economy. The results show that the biggest drawbacks in terms of basic services are presented in water and sanitation, solid waste disposal, health and housing. Also, problems are evident in employment and income received. On the other hand, low-income people buy in small portions in stores near their homes, they prefer well-recognized brands and they also have a very good performance to pay.