Rio Medina or Riomedina is an unincorporated community in Medina County, Texas, United States.
[1] It is located approximately six miles north of Castroville[1] and is part of the San Antonio Metropolitan Statistical Area.
According to an online community profile, Rio Medina has a population of 541 people (population year not provided).
Rio Medina has a post office located on highway FM 471 inside the general store.
This article about a location in Medina County, Texas is a stub.