Wilacala is the Hispanicized spelling of Aymara: Wilaqala, wila = blood or red, qala = stone, hard or quarry: So the name can mean "Red stone", "Blood stone" or "Red quarry".
The people in the Mocomoco Municipality are mainly Aymara (93.84%) and most citizens speak Aymara (92.68%) followed by Spanish (5.69%) and Quechua (1.25%) .