Río Nuevo District
Río Nuevo is a district of the Pérez Zeledón canton, in the San José province of Costa Rica. History. Río Nuevo was created on 18 January 1984 by Acuerdo Ejecutivo 128. Geography. Río Nuevo has an area of km² and an elevation of metres. Demographics. For the 2011 census, Río Nuevo had a population of inhabitants. Transportation. Road transportation. The district is covered by the following road routes: