San Carlos is a community and census-designated place (CDP) in Hidalgo County, Texas. The population was 3,087 at the 2020 United States Census. It is part of the McAllen–Edinburg–Mission Metropolitan Statistical Area.
San Carlos is located northeast of McAllen.
Geography
San Carlos is located at (26.297004, -98.069408).
According to the United States Census Bureau, the CDP has a total area of , all land.
San Carlos is five miles east of Edinburg and US Route 281 on State Highway 107. It is also approximately 12 miles north of the border of Mexico.
Demographics
San Carlos first appeared as a census designated place in the 2000 U.S. census.
!Pop 2010
!
!% 2000
!% 2010
!
|-
|White alone (NH)
|69
|46
|style='background: #ffffe6; |56
|2.60%
|1.47%
|style='background: #ffffe6; |1.81%
|-
|Black or African American alone (NH)
|1
|0
|style='background: #ffffe6; |0
|0.04%
|0.00%
|style='background: #ffffe6; |0.00%
|-
|Native American or Alaska Native alone (NH)
|0
|0
|style='background: #ffffe6; |1
|0.00%
|0.00%
|style='background: #ffffe6; |0.03%
|-
|Asian alone (NH)
|0
|0
|style='background: #ffffe6; |1
|0.00%
|0.00%
|style='background: #ffffe6; |0.03%
|-
|Native Hawaiian or Pacific Islander alone (NH)
|0
|0
|style='background: #ffffe6; |0
|0.00%
|0.00%
|style='background: #ffffe6; |0.00%
|-
|Other race alone (NH)
|0
|2
|style='background: #ffffe6; |5
|0.00%
|0.06%
|style='background: #ffffe6; |0.16%
|-
|Mixed race or Multiracial (NH)
|8
|0
|style='background: #ffffe6; |8
|0.30%
|0.00%
|style='background: #ffffe6; |0.26%
|-
|Hispanic or Latino (any race)
|2,572
|3,082
|style='background: #ffffe6; |3,016
|97.06%
|98.47%
|style='background: #ffffe6; |97.70%
|-
|Total
|2,650
|3,130
|style='background: #ffffe6; |3,087
|100.00%
|100.00%
|style='background: #ffffe6; |100.00%
|}
2020 census
As of the 2020 census, San Carlos had a population of 3,087. The median age was 29.0 years. 31.5% of residents were under the age of 18 and 10.0% of residents were 65 years of age or older. For every 100 females there were 98.4 males, and for every 100 females age 18 and over there were 95.0 males age 18 and over.
95.7% of residents lived in urban areas, while 4.3% lived in rural areas.
There were 832 households in San Carlos, of which 48.2% had children under the age of 18 living in them. Of all households, 49.9% were married-couple households, 16.6% were households with a male householder and no spouse or partner present, and 27.5% were households with a female householder and no spouse or partner present. About 15.1% of all households were made up of individuals and 6.2% had someone living alone who was 65 years of age or older.
Zoned elementary campuses serving sections include San Carlos Elementary School and John F. Kennedy Elementary School (grades PK-5). All areas are zoned to Memorial Middle School, and Edinburg High School (9-12). Previously Harwell Middle School included a portion of San Carlos.
In addition, South Texas Independent School District operates magnet schools that serve the community.
All of Hidalgo County is in the service area of South Texas College.