78582 is zip code located in Rio Grande City, Texas. The population is 40,729, making 78582 the largest zipcode in Rio Grande City and the largest in Starr County.
There are 15 public schools in 78582 with an average Homefacts rating of C+. The total crime rate for Rio Grande City is very low , and there are 55 registered sex offenders residing in the zip code 78582. Unemployment in 78582 is high.