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San Carlos, Texas

San Carlos is a community of 3,678 people in Hidalgo County, Texas.

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Population3,678 -8.5% since 2019
Elevation75 ft 23 m
Land area1.8 sq mi
ZIP code78542
Nearest airportMcAllen-Miller International Airport (MFE) 14 mi

Why visit San Carlos

August is the warmest month, with average highs of 98°F; January lows average 49°F.

About San Carlos

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.

From the Wikipedia article San Carlos, Texas (this version), under CC BY-SA 4.0.

Churches and places of worship2

Christian Family Church

Church · 0.4 mi

367 S. Valverde Road, Edinburg

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Iglesia Christiana

Church · 0.5 mi

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Schools, colleges and libraries41

John F. Kennedy Elementary School

School · 0.7 mi

8610 Tex-Mex Road, Edinburg

Open in Google Maps · +1 956 289 2390

San Carlos Elementary School

School · 0.8 mi

505 South 83rd Street, Edinburg

Open in Google Maps · +1 956 289 2370

Hidalgo Co J J A E P

School · 4.2 mi

3900 N 23Rd, Mcallen

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Austin El

School · 5.5 mi

1023 E Kuhn St, Edinburg

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Betts El

School · 3.9 mi

2320 S Cesar Chavez Rd, Edinburg

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Cano-Gonzalez El

School · 4.9 mi

1701 S Raul Longoria, Edinburg

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Carlos Truan J H

School · 5.0 mi

700 E Ciro Caceres, Elsa

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Daniel Singleterry Sr

School · 3.7 mi

9113 N Val Verde Rd, Donna

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David Ybarra Fine Arts Academy

School · 6.0 mi

619 N Mile 17 Rd, Edcouch

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Donna North H S

School · 4.9 mi

7250 N Val Verde Rd, Donna

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Dr Kay Teer Crawford El

School · 6.0 mi

1800 E Davis Rd, Edinburg

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Dr Thomas Esparza El

School · 3.9 mi

2510 S Cesar Chavez, Edinburg

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29 more on the map.

Map of San Carlos

43 places. The map loads OpenStreetMap tiles when you open it.

Climate by month

60°80°100°January: 1.3 in of rainFebruary: 0.9 in of rainMarch: 1.4 in of rainApril: 1.4 in of rainMay: 2.6 in of rainJune: 2.8 in of rainJuly: 2.5 in of rainAugust: 1.8 in of rainSeptember: 4.3 in of rainOctober: 2.5 in of rainNovember: 1.3 in of rainDecember: 1.1 in of rainJanuary: 70°FFebruary: 75°FMarch: 80°FApril: 86°FMay: 92°FJune: 95°FJuly: 97°FAugust: 98°FSeptember: 93°FOctober: 89°FNovember: 79°FDecember: 73°FJanuary: 49°FFebruary: 54°FMarch: 58°FApril: 65°FMay: 71°FJune: 75°FJuly: 77°FAugust: 77°FSeptember: 73°FOctober: 66°FNovember: 58°FDecember: 51°FJFMAMJJASOND
Average high Average low Rain
Monthly table
MonthHighLowRain
Jan70°F49°F1.3 in
Feb75°F54°F0.9 in
Mar80°F58°F1.4 in
Apr86°F65°F1.4 in
May92°F71°F2.6 in
Jun95°F75°F2.8 in
Jul97°F77°F2.5 in
Aug98°F77°F1.8 in
Sep93°F73°F4.3 in
Oct89°F66°F2.5 in
Nov79°F58°F1.3 in
Dec73°F51°F1.1 in

U.S. Climate Normals 1991-2020 for Edinburg (6 mi away), NOAA NCEI.

People and cost of living

$49,132median household income
$75,600median home value
$711median monthly rent
34.7median age
9.9%of adults have a bachelor's degree or higher
70.2%of homes are owner-occupied
19.9 minaverage commute
Age of residents
Under 1829%18 to 3422%35 to 6440%65 and over10%

American Community Survey 5-year estimates, 2020-2024, U.S. Census Bureau. Estimates have margins of error, larger for small towns.

Disaster history

Hidalgo County has had 24 federal disaster declarations since 2000, most often for hurricanes.

  • 2025-05-21: Severe Storms And Flooding (Flood)
  • 2024-07-09: Hurricane Beryl (Hurricane)
  • 2021-02-19: Severe Winter Storms (Severe Ice Storm)
  • 2021-02-14: Severe Winter Storm (Severe Ice Storm)
  • 2020-07-26: Hurricane Hanna (Hurricane)
  • 2020-03-25: Covid-19 Pandemic (Biological)

OpenFEMA disaster declarations summaries.

Getting there and nearby towns

McAllen-Miller International Airport (MFE) is the nearest airport with scheduled flights listed in OpenStreetMap, 14 miles away.

Drive times are estimates from straight-line distance, not routes.

Reviews, tips and questions

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Sources and licences

Photo credits

Page built October 30, 2026. Spotted a mistake? Tell us or suggest a place.