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ZipCityLookup
City Profile

San Diego, Texas

Population: 3,748 · 1 ZIP code

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
3,748
People
Median age
29.8
Housing
Total households
1,253
Income
Median household income
$53,174
Housing
Total housing units
1,736
Employment
Employment rate
53.7%
Education
Bachelor’s degree or higher
12.1%
Healthcare
Insured population
81.1%
City details
Local time 02:48:57(CT)
LocationSan Diego, TX
Population (ZIP areas)5,653(sum of local ZIP code populations)
Total ZIP codes1total
ZIP codes (by type)
1 Standard
CountyDuval
Area code
361
TimezoneCentral Time (CT)
Coordinates27.7345937, -98.4716768
Land area591.4 sq miles(1,531,697,392 m²)

Map of San Diego, Texas with ZIP codes

Map of San Diego, Texas and ZIP codes

ZIP Codes in San Diego

Explore the ZIP codes that make up San Diego. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
78384Standard$47,6035,653

— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near San Diego, TX.

Benavides, TXFreer, TXAlice, TXBen Bolt, TXRealitos, TXBruni, TXConcepcion, TXOrange Grove, TX

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS