Sant Joan de Vilatorrada is home to approximately 11,000 residents, making it a small but vibrant community. The population is predominantly Catalan, with a strong sense of regional pride and identity. Over the years, the town has seen moderate population growth, partly due to its proximity to Barcelona and its appeal as a quieter, more affordable place to live.
The town has a mix of age groups, with a balanced distribution between younger families and older residents. This demographic diversity contributes to a dynamic community atmosphere, with plenty of activities for people of all ages, from cultural events to sports and outdoor recreation.