Valle de Zaragoza Municipality  Valle de Zaragoza is one of the 67 municipalities of Chihuahua, in northern Mexico. The municipal seat lies at Valle de Zaragoza. As of 2010, the municipality had a total population of 5,105, up from 4,341 as of 2005. As of 2010, the town of Valle de Zaragoza had a population of 2,223. Other than the town of Valle de Zaragoza, the municipality had 156 localities, none of which had a population over 1,000.