Since the end of the latest military regime in Argentina, the party has been the third political force in Mendoza, except in 1999 when it won the second position in the elections.

[7] For many years it was led by former national deputy and candidate for governor of the province Carlos Balter.

[9] In the 2013 legislative elections, it formed a center-right alliance with the Republican Proposal, called the PD - PRO Union.

Since 2015, it has participated in an alliance with the Radical Civic Union and other parties in a centrist alliance called Frente Cambia Mendoza supporting the radical Alfredo Cornejo as governor of the Province, which finally managed to win the general elections.

With harsh criticism of the radical governor Rodolfo Suárez, the Democratic Party broke the agreement with the UCR and PRO and left Juntos por el Cambio.