This is a list of the localities of Argentina of 45,000 to 150,000 inhabitants ordered by amount of population according to the data of the 2001 INDEC Census. San Nicolás de los Arroyos (Buenos Aires) 133,602. San Rafael (Mendoza) 104,782. Rafael Castillo (Buenos Aires) 103,992. Trelew (Chubut) 103,305.

