Brownsville is the principal city of the BrownsvilleHarlingen Metropolitan Statistical Area, which is part of the larger BrownsvilleHarlingenRaymondville Combined Statistical Area. Broadleaf evergreen plants, including palms, dominate Brownsville neighborhoods to a greater degree than is seen elsewhere in Texaseven in nearby cities such as Harlingen and San Benito. Brownsville is a city in the southernmost portion of the state of Texas, in the United States. It is located on the northern bank of the Rio Grande, directly north and across the border from Matamoros, Tamaulipas, Mexico. Brownsville is the 16th largest city in the state of Texas and the 3rd largest city on the border of Texas with Mexico on the U.S. border side. As of 2010, Brownsville counts with a population of 175,023. In addition, the MatamorosBrownsville Metropolitan Area counts with a population of 1,136,995.