Rucandio is a municipality and town located in the province of Burgos, Castile and León, Spain. According to the 2004 census, the municipa…Rucandio is a municipality and town located in the province of Burgos, Castile and León, Spain. According to the 2004 census, the municipality had a population of 85 inhabitants. This territory was established as a municipality when the Ancien Régime overthrew. In that era there were 36 inhabitants.