| Official Name: | San Carlos I, Texas |
| Settlement Type: | CDP |
| Pushpin Mapsize: | --> |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Texas |
| Subdivision Type2: | County |
| Subdivision Name2: | Webb |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 0.1 |
| Area Land Sq Mi: | 0.1 |
| Area Water Sq Mi: | 0.0 |
| Population As Of: | 2020 |
| Population Total: | 187 |
| Population Density Km2: | auto |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 538 |
| Coordinates: | 27.4906°N -99.3725°W |
| Postal Code Type: | Zip Code |
| Postal Code: | 78043 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2584731 |
San Carlos I is a census-designated place (CDP) in Webb County, Texas, United States. This was a new CDP formed from parts of the Laredo Ranchettes CDP prior to the 2010 census, with a population of 316.[1]
It is one of several colonias in Webb County.[2]
San Carlos I is located at 27.4906°N -99.3725°W (27.490411, -99.372506). The CDP has a total area of 0.1sqmi, all land.[3]
San Carlos I first appeared as a census designated place in the 2010 U.S. Census, one of nine CDPS (La Coma, Laredo Ranchettes West, Los Altos, Ranchitos East, San Carlos I, San Carlos II, Tanquecitos South Acres, Tanquecitos South Acres II, and Pueblo Nuevo) from parts of Laredo Ranchettes CDP.
| White alone (NH) | 0 | style='background: #ffffe6; | 1 | 0.00% | style='background: #ffffe6; | 0.53% | |
| Black or African American alone (NH) | 0 | style='background: #ffffe6; | 0 | 0.00% | style='background: #ffffe6; | 0.00% | |
| Native American or Alaska Native alone (NH) | 0 | style='background: #ffffe6; | 0 | 0.00% | style='background: #ffffe6; | 0.00% | |
| Asian alone (NH) | 0 | style='background: #ffffe6; | 0 | 0.00% | style='background: #ffffe6; | 0.00% | |
| Pacific Islander alone (NH) | 0 | style='background: #ffffe6; | 0 | 0.00% | style='background: #ffffe6; | 0.00% | |
| Some Other Race alone (NH) | 0 | style='background: #ffffe6; | 0 | 0.00% | style='background: #ffffe6; | 0.00% | |
| Mixed Race or Multi-Racial (NH) | 0 | style='background: #ffffe6; | 0 | 0.00% | style='background: #ffffe6; | 0.00% | |
| Hispanic or Latino (any race) | 316 | style='background: #ffffe6; | 186 | 100.00% | style='background: #ffffe6; | 99.47% | |
| Total | 316 | style='background: #ffffe6; | 187 | 100.00% | style='background: #ffffe6; | 100.00% |
Residents are in the United Independent School District.[6] Zoned schools include: Freedom Elementary School,[7] Raul Perales Middle School,[8] and United South High School.[9]
The designated community college for Webb County is Laredo Community College.[10]