With 90.1% of the population, the Porco Municipality mainly consists of the Quechua ethnic group, while other indigenous groups such as Aymara only consists 1.9% of the population, and Guaran, Chiquitos, Moxos at 0.1% of the population combined.
Quechua 90.1 Aymara 1.9 Guarani, Chiquitos, Moxos 0.1 
