Petronila is a city in Nueces County, Texas, home to about 120 people across 1.8 square miles. It has no ZIP code of its own: it’s part of 78380.
Homes sold for a median of $148 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Robstown; part is in Petronila
Each card is that ZIP code’s whole market, including any part outside Petronila. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Petronila’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | San Antonio International Airport (SAT)129 miles away |
|---|---|
| Closer regional airport | Corpus Christi International Airport (CRP)12 miles away |
| Nearest city of 250,000+ | Corpus Christi, TX32 miles away |
| Nearest city of 1 million+ | San Antonio, TX125 miles away |
Straight-line distances from the center of Petronila; 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.
Petronila had 89 residents in the 2020 census, up 7% since 2000.
It’s the 1635th largest of 1,778 towns in Texas by population.
Nueces County grew from 10,439 residents in 1900 to 353,178 in 2020.
Nueces County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 96°F in summer, and winter lows average 47°F. About 31.1 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Robstown, TX weather station (2 miles away).
134,586 jobs at 8,111 businesses in Nueces County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
30 doctors and other health care providers list an office in Petronila.
Nearest hospitals
Providers with an office here
| Primary care doctors | 4 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 7 |
| Nurse practitioners and physician assistants | 9 |
| Mental health providers | 7 |
| Physical and occupational therapists | 1 |
| Chiropractors | 1 |
| 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.
Grocery stores
Libraries
Museums
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 Robstown ISD, Bishop CISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Lotspeich Leadership AcademyRobstown | Pre-K–5 | 368 | Public | 1.6 mi |
| Petronila ElRobstown | Pre-K–5 | 110 | Public | 9.5 mi |
| Robert Driscoll Jr. Stem AcademyRobstown | Pre-K–5 | 676 | Public | 1.8 mi |
| San Pedro Fine Arts AcademyRobstown | Pre-K–5 | 243 | Public | 1.1 mi |
| Seale J HRobstown | 6–8 | 533 | Public | 2.2 mi |
| Robstown Early College H SRobstown | 9–12 | 750 | Public | 1.4 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 Robstown, Corpus Christi, North San Pedro, Spring Gardens, La Paloma-Lost Creek, Banquete, Driscoll, Sandy Hollow-Escondidas, Rancho Banquete, Tierra Grande and Tierra Verde.
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.