Quesada is a Spanish municipality in the province of Jaén. It is in the Alto Guadalquivir comarca and its inhabitants are called quesadenses or …Quesada is a Spanish municipality in the province of Jaén. It is in the Alto Guadalquivir comarca and its inhabitants are called quesadenses or quesadeños. It has an area of 328.7 km² and 5483 inhabitants according to the 2016 census. Its population has decreased in the last half of the twentieth century. In 1950, 12,224 quesadeños were registered.