Del Mar Heights is a community in Cameron County, Texas across 0.4 square miles. It has no ZIP code of its own: it’s part of 78566.
Homes sold for a median of $175 per square foot in the three months ending August 2026, a seller’s market.
Mostly Brownsville; part is in Del Mar Heights
Each card is that ZIP code’s whole market, including any part outside Del Mar Heights. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Del Mar Heights’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Del Mar Heights well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | San Antonio International Airport (SAT)245 miles away |
|---|---|
| Closer regional airport | Brownsville South Padre Island International Airport (BRO)14 miles away |
| Nearest city of 250,000+ | Corpus Christi, TX114 miles away |
| Nearest city of 1 million+ | San Antonio, TX241 miles away |
Straight-line distances from the center of Del Mar Heights; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Del Mar Heights had 78 residents in the 2020 census, down 70% since 2000.
Cameron County grew from 16,095 residents in 1900 to 421,017 in 2020.
Cameron County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 93°F in summer, and winter lows average 52°F. About 23.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Port Isabel Cameron Ap, TX weather station (5 miles away).
123,749 jobs at 6,732 businesses in Cameron County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
63 doctors and other health care providers list an office in Del Mar Heights.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 2 |
| Dentists | 4 |
| Nurse practitioners and physician assistants | 16 |
| Mental health providers | 23 |
| Physical and occupational therapists | 15 |
| Optometrists | 2 |
| Pharmacies | 3 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Theaters and performance venues
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Los Fresnos CISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Lopez-Riggins ElLos Fresnos | Pre-K–5 | 467 | Public | 5.3 mi |
| Los Fresnos ElLos Fresnos | Pre-K–5 | 549 | Public | 6.3 mi |
| Los Cuates MiddleLos Fresnos | 6–8 | 825 | Public | 6.3 mi |
| Los Fresnos H SLos Fresnos | 9–12 | 3,285 | Public | 4.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Brownsville, Los Fresnos (Cameron County), Laureles, Indian Lake, Bayview, Orason and Chula Vista (Cameron County).
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.