The primary coordinate point for Rio Blanco is located at latitude 18.2183 and longitude -65.7885 in Naguabo Municipio.
The formal boundaries for the Río Blanco encompass a land area of 0.77 sq. miles and a water area of 0 sq. miles.
Naguabo Municipio is in the Atlantic time zone (GMT -4).
The Río Blanco has a U5 Census Class Code which indicates populated place that is also a census designated place with the same name. It also has a Functional Status Code of "S" which identifies a statistical entity.