Ranchos Penitas West is a census-designated place (CDP) in Webb County, Texas, United States.

[3] According to the United States Census Bureau in 2000, the CDP has a total area of 4.7 square miles (12.0 km2), all land.

This CDP lost area in the changes in Webb County prior to the 2010 census.

[5] Ranchos Penitas West first appeared as a census designated place in the 2000 U.S.

[17] Prior to the 2010 U.S. Census, the Los Minerales CDP was carved out from its territory.