Rio Hondo, Texas - Wikipedia, the free encyclopediaRio Hondo is a city in Cameron County, Texas, United States. The population was 1,942 at the 2000 census. It is part of the Brownsville – Harlingen Metropolitan …
Rio Hondo ISDRio Hondo Independent School District — 215 W. Colorado Street - Rio Hondo, Texas 78583 | 956-748-1000