Bonanza Hills is a census-designated place in Webb County, Texas, United States. As of the 2020 census, Bonanza Hills had a population of 61. It was a new CDP, formed from parts of the Botines CDP and additional area prior to the 2010 census.
Bonanza Hills is located at (27.794768, -99.469502) along U.S. Highway 83 in north-central Webb County.
According to the United States Census Bureau, the CDP has a total area of , all land.
Bonanza Hills first appeared as a census designated place prior to the 2010 U.S. census, one of four CDPs (Bonanza Hills, Four Points, Los Veteranos II, and Sunset Acres) formed in full or in part from the Botines CDP.
Residents are in the United Independent School District. Zoned schools include: San Isidro Elementary School, Elias Herrera Middle School, United High School.
The designated community college for Webb County is Laredo Community College.