what is the population of the lower rio grande valley?
Disclaimer. Lower Rio Grande Valley is an area in Lower Rio Grande Valley, Texas with a population of 1,258,706. There are 610,887 male residents living in Lower Rio Grande Valley and 647,819 female residents. The total number of households is 360,467 with 3.37 people per household on average. Total household expenditures in Lower Rio Grande Valley are below the national average. The median age of the current population is 29.82 with 364,201 people being married and 355,865 being single. The employment numbers show that there are 55% white collar employees and 45% blue collar employees in Lower Rio Grande Valley.