Arroyo Colorado Estates is a census-designated place (CDP) in Cameron County, in the U.S. state of Texas.

[3] According to the United States Census Bureau, the CDP has a total area of 1.1 square miles (2.8 km2), all land.

Arroyo Colorado Estates first appeared as a census designated place prior to the 2000 U.S.

The racial makeup of the CDP was 98.15% White, 0.40% African American, and 1.46% from two or more races.

The community is served by the Rio Hondo Independent School District.