Social capital is one of the important social issues that, such as significant indicators of economic including inflation, GDP, employment rate, etc. play a significant role in the development of countries. The purpose of this paper is to evaluate and analyze the spatial distribution of social capital in areas of Quchan city. The methodology of this research was survey, and data was obtained by means of questionnaires and multi-stage cluster sampling.200 persons of inhabitants of five areas of Quchan were selected as Statistical Society. For valuation and ranking of areas in terms of investment rate, Social Capital Model of Decision Making (Topsis) was used. Based on conducted analysis, five areas have three levels of wealthy, semi wealthy (medium) and wealth less (bereaved). For measuring social capital in the city of Quchan, 12 studied indicators were weighted by Shannon Entropy model and then Topsis were used as a multi-index decision-making method. Finally, the map of fruition levels of city's areas was prepared by means of Arc-GIS software.
Result of conducted reviews, shows that among the urban areas of Quchan, three bereaved areas (one, two and five) with a priority factor of 0.38 have the lowest level of enjoyment. The second level is the area 4 that its priority coefficient is 0.53, and the level one is the area 3 with a priority factor of 0.77 that, in terms of studied indexes, has the best condition among the five areas of Quchan.