Hernani has a population of approximately 20,000 residents, making it a relatively small town within the larger Gipuzkoa province. The population is predominantly Basque, with Euskara being widely spoken alongside Spanish. Hernani is known for its strong sense of community, with many families having lived in the area for generations. However, the town is also seeing increasing diversity due to migration and its growing popularity as a tourist destination.
The town’s demographic profile is characterized by a mix of ages, though there is a growing number of young families and professionals who are attracted to the area’s quality of life, proximity to nature, and employment opportunities in nearby cities. The town’s small size fosters a close-knit community, where traditions and local culture play a central role in daily life.