Iago (Pron: Eye-a'-go) is a census-designated place (CDP) in Wharton County, Texas, United States. This was a new CDP formed from parts of the Boling-Iago CDP prior to the 2010 census. As of the 2020 census, Iago had a population of 148.
Iago is located at (29.266512, -95.963005). The CDP has a total area of , all land.
Iago first appeared as a census designated place in the 2010 U.S. census.
It is in the Boling Independent School District. The comprehensive high school of the district is Boling High School.
The Texas Legislature assigns all of Wharton County to Wharton County Junior College.