Yznaga is a community in Cameron County, Texas, home to about 47 people across 5.5 square miles. It has no ZIP code of its own: it’s part of 78569 and 78593.
Homes sold for a median of $139 per square foot across 2 ZIP codes in the three months ending August 2026, and 0 of 2 were seller’s markets.
Mostly Lyford; part is in Yznaga
Mostly Santa Rosa (Cameron County); part is in Yznaga
Each card is that ZIP code’s whole market, including any part outside Yznaga. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | San Antonio International Airport (SAT)225 miles away |
|---|---|
| Closer regional airport | Valley International Airport (HRL)11 miles away |
| Nearest city of 250,000+ | Corpus Christi, TX106 miles away |
| Nearest city of 1 million+ | San Antonio, TX221 miles away |
Straight-line distances from the center of Yznaga; 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.
Yznaga had 108 residents in the 2020 census, up 5% since 2000.
It’s the 1724th largest of 1,778 towns in Texas by population.
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 97°F in summer, and winter lows average 49°F. About 24.7 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Santa Rosa 3 Wnw, TX weather station (6 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).
11 doctors and other health care providers list an office in Yznaga’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 8 |
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.
Public schools here are run by Santa Rosa ISD, Lyford CISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Elma E Barrera ElSanta Rosa | Pre-K–5 | 377 | Public | 4.3 mi |
| Lyford ElLyford | Pre-K–5 | 658 | Public | 6.0 mi |
| Jo Nelson MiddleSanta Rosa | 6–8 | 206 | Public | 5.1 mi |
| Lyford MiddleLyford | 6–8 | 299 | Public | 5.8 mi |
| Lyford H SLyford | 9–12 | 439 | Public | 5.9 mi |
| Santa Rosa H SSanta Rosa | 9–12 | 291 | Public | 5.0 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 Santa Rosa (Cameron County), Lyford, Tierra Bonita, Ratamosa, Zapata Ranch and Santa Monica.
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.