San Agustín de Guadalix has a population of approximately 14,000 residents, offering a small-town feel while still providing access to the amenities and infrastructure needed to support both residents and visitors. The population is largely Spanish, but in recent years there has been an influx of international residents, drawn by the town’s proximity to Madrid and its quality of life.
The town’s demographics are diverse, with a mix of families, young professionals, and retirees. The local community is close-knit, with many residents participating in town events, festivals, and social gatherings. This diversity adds to the town’s charm, as visitors can experience both traditional Spanish culture and the more cosmopolitan influences that come from its growing international population.