Miajadas has a population of approximately 10,000 residents, with the majority of the population engaged in agriculture or related industries. The city is predominantly Spanish-speaking, though there is a growing number of residents from other parts of Europe and South America, reflecting a modest trend toward greater diversity in recent years.
The population is fairly evenly distributed between different age groups, though younger generations are increasingly moving toward larger cities for education and employment opportunities. However, Miajadas maintains a strong sense of community, with many families having deep roots in the region.