Population density in a city

The use of simple indicators may address towards incorrect assumptions about regions. As for cities, for example, population density could lead to wrong conclusions in social, economic and environmental analyses. We will demonstrate that the density of Italian cities’ population makes Rome seem a rural city rather than a tertiary one, as it actually is. The aim of this paper is to show that some interpretations in socio-economic analysis are potentially wrong and to introduce some alternatives by using simple correctives like including environmental features. For instance, in the centre of Rome, where population is more concentrated, we have calculated a density of 55577 inhabitants per sq km versus the current estimation of 1981 inhabitants per sq km for the entire administrative territory.