PHOTO FROM MCALLEN CHAMBER OF COMMERCE McALLEN, Texas  — The Brownsville–McAllen metropolitan corridor is one of the fastest-growing regions in the country, according to new migration data released by U-Haul. The South Texas region ranked 10th nationwide on U-Haul’s 2025 Growth Index of metropolitan areas, a significant jump from 21st place last year. The ranking is based on the net number of one-way U-Haul rentals, tracking where people are moving in and out of major metros.