This work analyzes the relations between Church and State during the military dictatorship (1964 to 1970) within the concept of civil religion proposed by Robert Bellah. The methodological assumption makes a comparative study between traditional religion and civil religion in Brazil. The problem that guided the research was to look for the presence of civil religion, its adherents and ideas in the IBGE Census. The research analyzed the relations and positions between the State and the Catholic Religion in Brazil through the adaptation processes and strategies in the dynamics of the cultural transformations of 1960. The result revealed that the civil religion was excluded from the Census by the quantitative criterion. Religion in this work is understood within its multiple forms of representation, in an immanent perspective rather than a transcendental phenomenon. Through the comparative method, it describes an internal and external typology for religion, its geographical origin, the cultural model, the form of social organization. The external typology exposes the ideological basis of civil religion. In addition to the symbols, the political speeches of the three Brazilian presidents of that period were collected and analyzed in order to find religious references that appeal to religious sentiment.