Midway South is a census-designated place (CDP) in Hidalgo County, Texas, United States.

[3] According to the United States Census Bureau, the CDP has a total area of 1.2 square miles (3.2 km2), all land.

Midway South first appeared as a census designated place in the 2000 U.S.

[15] As of the census[1] of 2000, there were 1,711 people, 419 households, and 372 families residing in the CDP.

There were 461 housing units at an average density of 370.8 per square mile (143.2/km2).

8.4% of all households were made up of individuals, and 3.6% had someone living alone who was 65 years of age or older.