Its seat is Edinburg 81 029 inhabitants, which, although it is not its largest city, together with McAllen 134 719 inhabitants and Mission 80 452 inhabitants, forms a metropolitan area of approximately 296 000 people, a number that represents 36% of the total county population.
Su sede es Edinburg 81 029 habitantes que, aunque no es su mayor ciudad, junto con McAllen 134 719 habitantes y Mission 80 452 habitantes forman un área metropolitana de alrededor de 296 mil personas, cantidad que representa 36% de la población total.