Del Mar Heights
- County:
- Cameron County
- County Seat:
- No
- Area (mi²):
- 0.437
- State:
- Texas
Del Mar Heights is a CDP located in Cameron County, Texas. Del Mar Heights has a 2025 population of 79. Del Mar Heights is currently declining at a rate of -3.66% annually and its population has decreased by -51.53% since the most recent census, which recorded a population of 163 in 2020.
The median age in Del Mar Heights is 7.9 years: 8 years for males, and 0 years for females.