Betanzos has a population of approximately 13,000 residents. The town’s population is predominantly Galician, and the local language, Galician, is widely spoken alongside Spanish. The town’s demographics reflect a traditional, rural community, although in recent years, Betanzos has attracted a younger population due to its cultural offerings and proximity to larger cities like A Coruña.
Betanzos also experiences a slight influx of tourists and temporary residents during the summer months, when festivals and events bring in visitors from around Spain and abroad.