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

[4] According to the United States Census Bureau, the CDP has a total area of 3.7 square miles (9.6 km2), all land.

4.5% of all households were made up of individuals, and 1.4% had someone living alone who was 65 years of age or older.

[22][23] Portions of the community are zoned to multiple elementary schools: "Rudy" Silva, Justice Gonzales, and Mario Ybarra.

[24] Two middle schools, Beatriz Garza and Mary Hoge, serve sections of Olivarez.