1901: Banco Popular arises from the initiative to transform capitalized savings fund, called the Mount of Mercy, dedicated to jewelry and clothing pledge to address the urgent needs of the workers.
1969: The July 11 was created Banco Popular and Community Development, Law 4351, the administration of former President of the Republic, Mr. Jose Joaquin Trejos Fernandez, with the aim of promoting development and providing financial protection to workers in the country..
1970: With the desire to serve all Costa Ricans, the first branch is created in the province of Limón, and continues a presence in other regions of the country.
1973: the first amendment to the Organic Law of the Bank, where the direction of this bank is assigned to a National Board of Directors and management to a manager and two assistant managers is presented.
1986: The National Assembly of Workers, which corresponds today to define guidelines and orientation of the general policy of the Bank: a new instance is created.
1995: The Law amends the National Financial System, Banco Popular is allowed to offer services to their customers, which the law did not allow it to provide, especially current accounts and operations in the international arena.