San Isidro is a canton in the Heredia province of Costa Rica. The head city is in San Isidro district. History San Isidro was created on 13 July 1905 by decree 40. Geography San Isidro has an area of km² and a mean elevation of metres. The canton is in the highlands northeast of the provincial capital city of Heredia. The Pará Blanca River forms its far northeastern border. Districts The canton of San Isidro is subdivided into the following districts: San Isidro San José Concepción San Francisco Demographics For the 2011 census, San Isidro had a population of inhabitants. Transportation Road transportation The canton is covered by the following road routes: References Cantons of Heredia Province Populated places in Heredia Province