Explore San Carlos I, Texas, with this interactive street and satellite map. You can “grab” the San Carlos I, TX street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
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| City | San Carlos I |
| State | Texas (TX) |
| County | Webb |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 27.4906 |
| Longitude | -99.3726 |
| Density | 941.3 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 78043 |
| Area Code | 210, 726 |
| County Seat | Laredo |
| School District | United Independent School District |
San Carlos I is a locality in Webb County, Texas, United States. The population density is 941.3 people per km². San Carlos I is located at 27.4906°N, 99.3726°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 78043.
San Carlos I is a place where the vast South Texas sky presses down with an almost palpable weight, its immensity mirrored in the low, scrub-dotted plains that stretch to a hazy horizon. It lies 8.3 miles east of Laredo, TX (from Laredo, TX: bearing 97°T), and is situated 0.8 miles east of Los Altos. The land itself feels ancient, a sun-baked canvas where mesquite trees claw at the earth with tenacious roots, their thorny branches creating intricate silhouettes against the relentless blue. A dry wind, carrying the scent of dust and distant cattle, whispers through the sparse vegetation, a constant companion to the quietude of this sparsely populated corner. Evenings here are painted in hues of rose and burnt sienna as the sun dips below the land's edge, casting long, distorted shadows that animate the otherwise still landscape. The history of San Carlos I is inextricably linked to the enduring spirit of those who have sought sustenance from this challenging terrain. Ranching has long been the lifeblood of this region, a tradition etched into the very character of the place, where the rhythm of the seasons dictates the ebb and flow of daily life. The economy, while modest, is rooted in the enduring legacy of the land, with generations continuing to work the soil and tend to livestock. Small, weathered ranches dot the landscape, each a testament to resilience and a deep understanding of the unforgiving beauty that defines San Carlos I. The quiet hum of pickup trucks on unpaved roads, the distant lowing of cattle, these are the sounds that compose the unique symphony of this enduring locality.
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This page provides an embedded street and satellite map of San Carlos I, Texas — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 27.4906, -99.3726. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on San Carlos I and Webb County.
Detailed location data for San Carlos I includes the ZIP code (78043), telephone area code (210, 726), county seat of Webb County (Laredo), and school district assignment (United Independent School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct San Carlos I is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |