Townapedia
Duval courthouse
Duval courthouse · Larry D. Moore, CC BY 4.0

San Diego, Texas

San Diego is a city of 3,675 people in Duval County, Texas.

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Population3,675 -8.5% since 2019
Elevation308 ft 94 m
Land area1.9 sq mi
ZIP code78384
Nearest airportAlice International Airport (ALI) 13 mi

Why visit San Diego

Townapedia lists 4 museums and landmarks, 1 park or trail and 1 place to eat in and around town.

Highlights include Duval County.

August is the warmest month, with average highs of 97°F; January lows average 47°F.

About San Diego

San Diego is a city in Duval and Jim Wells counties, Texas, United States. The population was 3,748 at the 2020 census and 4,488 at the 2010 census. It is located primarily in Duval County, of which it is the county seat.

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

Museums and landmarks4

Duval County

Monument and historic site

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El Plan de San Diego

Monument and historic site

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San Diego Cemetery

Monument and historic site · 0.9 mi

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Parks, trails and playgrounds1

Padre Pedro Plaza

Park

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Restaurants and cafes1

Jerry's Drive In & Diner

Restaurant

111 South Victoria Street, San Diego

Open in Google Maps · +1 361-279-8877

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Schools, colleges and libraries6

Bernarda Jaime Junior High School

School · 0.7 mi

609 West Labbe Avenue, San Diego

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Collins-Parr Elementary School

School · 0.6 mi

600 South Reforma Street, San Diego

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San Diego High School

School · 1.4 mi

235 TX 359, San Diego

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Bernarda Jaime J H

School · 0.6 mi

609 W Labbe Ave, San Diego

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Collins-Parr El

School · 0.6 mi

609 W Labbe Ave, San Diego

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San Diego H S

School · 1.2 mi

609 W Labbe Ave, San Diego

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Map of San Diego

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

Climate by month

40°60°80°100°January: 1.3 in of rainFebruary: 1.4 in of rainMarch: 1.7 in of rainApril: 1.0 in of rainMay: 3.5 in of rainJune: 2.3 in of rainJuly: 2.5 in of rainAugust: 2.6 in of rainSeptember: 5.3 in of rainOctober: 2.7 in of rainNovember: 1.6 in of rainDecember: 1.3 in of rainJanuary: 68°FFebruary: 73°FMarch: 79°FApril: 86°FMay: 90°FJune: 96°FJuly: 97°FAugust: 97°FSeptember: 93°FOctober: 87°FNovember: 77°FDecember: 71°FJanuary: 47°FFebruary: 52°FMarch: 58°FApril: 64°FMay: 70°FJune: 75°FJuly: 76°FAugust: 76°FSeptember: 73°FOctober: 65°FNovember: 56°FDecember: 50°FJFMAMJJASOND
Average high Average low Rain
Monthly table
MonthHighLowRainSnow
Jan68°F47°F1.3 in0.0 in
Feb73°F52°F1.4 in0.0 in
Mar79°F58°F1.7 in0.0 in
Apr86°F64°F1.0 in0.0 in
May90°F70°F3.5 in0.0 in
Jun96°F75°F2.3 in0.0 in
Jul97°F76°F2.5 in0.0 in
Aug97°F76°F2.6 in0.0 in
Sep93°F73°F5.3 in0.0 in
Oct87°F65°F2.7 in0.0 in
Nov77°F56°F1.6 in0.0 in
Dec71°F50°F1.3 in0.5 in

U.S. Climate Normals 1991-2020 for Alice Hcn (11 mi away), NOAA NCEI.

People and cost of living

$53,174median household income
$85,600median home value
$1,096median monthly rent
29.8median age
12.1%of adults have a bachelor's degree or higher
71.5%of homes are owner-occupied
32.1 minaverage commute
Age of residents
Under 1836%18 to 3423%35 to 6427%65 and over13%

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

Disaster history

Duval County has had 15 federal disaster declarations since 2000, most often for hurricanes.

  • 2026-07-18: Flooding (Flood)
  • 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)
  • 2020-03-13: Covid-19 (Biological)

OpenFEMA disaster declarations summaries.

Getting there and nearby towns

Alice International Airport (ALI) is the nearest airport with scheduled flights listed in OpenStreetMap, 13 miles away.

  • Alice 11 mi east, about 17 min by car
  • Kingsville 29 mi southeast, about 47 min by car
  • Premont 29 mi south, about 46 min by car
  • Bishop 30 mi southeast, about 48 min by car
  • Mathis 34 mi northeast, about 55 min by car
  • Robstown 35 mi east, about 56 min by car
  • Falfurrias 38 mi south, about 1 h by car
  • George West 40 mi north, about 1 h by car
  • Hebbronville 41 mi southwest, about 1 h by car
  • Beeville 54 mi northeast, about 1 h 30 min by car

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.