San Diego, TX

Census ZIP code profile for San Diego, TX - 1 ZIPs, total population 6,640. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.

2026 data Public-data reference. official source

Source:

San Diego, TX is covered by 1 USPS ZIP code serving a combined population of 6,640 according to Census ACS 5-Year Estimates. U.S. cities rarely map cleanly to a single ZIP — San Diego splits its residents across 1 delivery areas, each with its own demographic and housing profile. The table below lists every ZIP by population, so you can see which neighborhoods carry the weight of the city total and which are smaller pockets of the same municipal boundary.

Aggregated across every ZIP in San Diego, the median household income averages $47,603 and per-capita income averages $18,794. Poverty rate runs at 39.9% and unemployment at 14.8%. On housing, the average median home value is $78,100 with median rent of $764 per month, and 67.3% of occupied units are owner-occupied. These are arithmetic averages across the 1 ZIP — not population-weighted — so small ZIPs influence the headline numbers the same as large ones.

Use this city view to compare ZIPs inside San Diego against each other rather than hunting for a single "city average." The Affordability Dashboard linked below combines these Census inputs with HUD Fair Market Rents, FBI crime data, and Department of Labor childcare costs into a graded scorecard for San Diego as a whole, while individual ZIP pages show fine-grained household income, housing profile, education attainment, commute time, and nearby-ZIP benchmarks. Every field on this page is sourced directly from U.S. Census Bureau ACS 2023 5-Year Estimates — no estimates, no proprietary scoring, no editorial adjustment.

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1

ZIP Codes

6,640

Population

$47,603

Median Income

$78,100

Median Home Value

33.2

Median Age

How much do residents of San Diego earn?

Median Household Income
$47,603
Per Capita Income
$18,794
Unemployment Rate
14.8%
Poverty Rate
39.9%

What does housing look like in San Diego?

Median Home Value
$78,100
Median Rent
$764/mo
Owner Occupied
67.3%
Housing Units
2,129

Who lives in San Diego?

Bachelor's Degree+
7.0%
High School+
47.1%
Foreign Born
4.3%

ZIP Codes in San Diego, TX

ZIP Code Population Density Timezone
78384 6,640 6 America/Chicago

Frequently Asked Questions

How many ZIP codes are in San Diego, TX?
San Diego, TX has 1 ZIP code with a combined population of 6,640, based on Census ACS 2023 data.
What is the median household income in San Diego?
The average median household income across San Diego, TX ZIP codes is $47,603. The poverty rate is 39.9%.
What is the cost of living in San Diego?
The average median home value in San Diego, TX is $78,100. Median rent is $764/month. 67.3% of homes are owner-occupied.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping) and Source: simplemaps.com (ZIP coordinates & timezones). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau American Community Survey (ACS). Consult a qualified professional before making decisions based on this data.