This article examines through the local approach, which provides the framework of the three Aragonese province capitals, the corporative municipal elections that were created by the municipal law of 1945 from two perspectives. On the one hand, the article examines the role that these elections had in the process of institutionalization and consolidation of Franco's dictatorship between 1948 and 1957. Moreover, the article tries to approximate to the answer that the population of the three analyzed cities offered faces these mechanisms during this period.