 Industrialized zones such as the Henares Corridor (along the river Henares, a tributary of the Jarama) with a density of , the comarca of la Sagra or the industrial zone of Sonseca are dramatically more dense than the region as a whole.The population pyramid of Castilla–La Mancha is typical for a developed region, with the central zone wider than the base or the upper zone.The population between 16 and 44 years of age represents about 44 percent, from 45 to 64 about 21.3 percent, with those 15 and under constituting 15 percent and those over 65, 18 percent.