Descripción:
Cities internal structure studies have been view through different disciplines: economic spatial models, ecological structures, land use, etcetera. This paper pretends to studie and define urban structure models for mid since Mexican cities through spatial analysis on population density, population age structure and housing tenure in 8 Mexican cities, 4 of them border cities. The majority of internal urban quantitative models uses distance to the central business district as a basic determinant aspect in spatial organization. Nonetheless, we consider that we can obtain better results in defining urban structure model using age existence of urban space.