San Diego, Texas

San Diego: city in Duval County, Texas, United States

About

San Diego is a city located in the county of Duval in the U.S. state of Texas. Its population at the 2010 census was 4,488 and a population density of 912 people per km². After 10 years in 2020 city had an estimated population of 4,188 inhabitants.

San Diego locator map
Location of San Diego on Texas map.

Quick Facts about San Diego

Population 4,188 (2020)
Country United States of America
State Texas (United States)
County Duval County
Postal code 78384
Phone Area Codes 361
Area 4.92 km2
Latitude & Longitude 27.7639,-98.2389
Altitude 308 feet / 94 meters
Capital city San Diego is capital of Duval County
Time Zone America/Chicago
Local time 05:47:28 (12th April 2026)
Density 851 Pop. per km² as of 2020
Population growth -7.16% (2010-2020)
Weather 84℉ Slight Chance Showers And Thunderstorms 7-days weather
Duval County SanDiego locator map image
Duval County SanDiego locator map image

Geography

San Diego is located at 27°45'50"N 98°14'20"W (27.7639100, -98.2389000).

San Diego map

Click "full screen" full screen map icon to open full mode. View satellite images

Weather

84°F
Slight Chance Showers And Thunderstorms
10 to 17 mph SE Sunday

A slight chance of rain showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thun...

7-Day Forecast

Demographics

According to census records, the population of San Diego decreased by 7.16% in 10 years.

Year Population % Change Method
2010 4,488 - census
2011 4,453 -0.79% estimation process
2012 4,434 -0.43% estimation process
2013 4,415 -0.43% estimation process
2014 4,394 -0.48% estimation process
2015 4,340 -1.24% estimation process
2016 4,326 -0.32% estimation process
2017 4,253 -1.72% estimation process
2018 4,229 -0.57% estimation process
2019 4,221 -0.19% estimation process
2020 4,188 -0.79% estimation process
San Diego zip code is 78384. County name: Duval, County fips: 48131
San-Diego, Сан-Диего

Services and Civic Places in San Diego

1San Diego City Hall and Police Department

Rating: 5 (1)

404 S Mier St, San Diego, TX 78384 View details

Phone: +13612793341 | Website available

People born in San Diego (3)

People born in San Diego, including baseball player Bob Osborn, politician and felon George Berham Parr, politician Sylvia Garcia, .

More notable people

Nearby Schools and Colleges

Schools and campuses linked to San Diego, TX. Select a name to open its map and contact details.

Code Name City ZIP
228705 Texas A & M University-Kingsville Kingsville (TX) 78363

Closest post offices linked to San Diego.

Post Office Name City ZIP
San Dieg Post Office San Diego (TX) 78384
Al Post Office Alice (TX) 78332
Benavid Post Office Benavides (TX) 78341
Agua Dul Post Office Agua Dulce (TX) 78330
Orange Grov Post Office Orange Grove (TX) 78372

Other places with the same name (1)

  • San Diego, California The eighth most populous city in the United States and the center of the San Diego metropolitan area. with a population of 1,422,420 people.

Other cities in Duval County

Cities, towns, neighborhoods & other populated places in Duval County , TX.

City Name Population Title
Freer 2,620 City in Duval County, Texas, United States
Benavides 1,391 City in Duval County, Texas, United States

Distance to Other Cities

San Diego distances to largest Texas cities