Explore Petronila, Texas, with this interactive street and satellite map.
This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.
This interactive map shows the street layout and satellite imagery for Petronila, Texas. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of Texas or beyond.
Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).
TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to Petronila.
Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.
Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.
| City | Petronila |
| State | Texas (TX) |
| County | Nueces County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 27.671975 |
| Longitude | -97.635828 |
| Population | 89 |
| Density | 18.8 /km² |
| Incorporated | Yes |
| ZIP Code | 78380 |
| Area Code | 830 |
| County Seat | Corpus Christi |
| School District | Bishop Consolidated Independent School District |
Petronila sits upon a vast, sun-drenched expanse of flat South Texas prairie where the horizon stretches thin and taut, pulling the sky down to meet the earth in a seamless, dusty line. It lies 8.4 miles south-southeast of Robstown, TX (from Robstown, TX: bearing 166°T), and is situated 17.1 miles west-southwest of Corpus Christi. The land is defined by a rigorous, horizontal patience, broken only by the occasional scrub brush or the subtle, winding depression where Petronila Creek carves its shallow path through the clay. During the long, golden hours of late afternoon, the light here loses its harsh, midday edge, casting a warm, amber glow that flattens the shadows and turns the grasses into a field of brittle, swaying copper. It is a landscape that demands little but observation, where the air feels heavy with the scent of dry soil and the distant, metallic promise of an approaching storm.
Petronila carries the weight of a quiet, agrarian history, its rhythm dictated by the cycles of planting and the steady, mechanical hum of regional agriculture that sustains the local economy. While the bustle of larger, more frantic centers remains miles away, life here maintains a deliberate, unadorned pace, occasionally punctuated by the memory of nearby spaces like Robstown Memorial Park or the far-off, shimmering surface of Laguna Larga. The culture of Petronila remains tethered to the land and the industry of the plains, reflecting a resilient, pragmatic spirit that survives in the stillness. It is a place that does not seek to be noticed, preferring instead to exist in the quiet intervals between the seasons, where the primary occupation is simply to endure the sun and watch the slow, circular transit of the clouds.
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This page provides an embedded street and satellite map of Petronila, Texas. Coordinates: 27.671975, -97.635828. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.
Detailed location data for Petronila includes the ZIP code (78380), telephone area code (830), county seat of Nueces County (Corpus Christi), and school district assignment (Bishop Consolidated Independent School District).
Search Maps opens a second, independent map. It searches OpenStreetMap for any US town, county or landmark by name; offers USGS topographic maps and USGS aerial imagery as base layers; overlays a labelled U.S. National Grid (USNG) so the map can be read like a printed topographic quad; measures distance and grid, true and magnetic bearings between any two points; and takes a single GPS fix reporting your position as a USNG grid reference and as latitude and longitude. Map tiles require cell coverage, but a GPS position does not, so the coordinates remain correct even where the map cannot load.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.
| Page generated | September 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Map layers | Google Maps; © OpenStreetMap contributors; USGS The National Map topographic and aerial imagery (public domain); magnetic declination from NOAA NCEI (World Magnetic Model) |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |