As of the latest census, Paracuellos de Jarama has a population of around 25,000 residents. The town has experienced significant population growth over the last two decades, partly due to its proximity to Madrid and the development of new housing and infrastructure projects.
The population is diverse, with a mix of long-time residents and newer arrivals seeking a quieter lifestyle near the capital. The town is predominantly Spanish, though it has seen an increase in international residents, including expatriates who appreciate its blend of tranquility and accessibility.