San Diego, TX · standard
ZIP Code 78384
Duval County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 6,640
- 6/sq mi
- $47,603
- Median income
- $78,100
- Median home value
- 7.0%
- Bachelor's or higher
National ZIP placement
San Diego pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 12th pct
- household income, US ZIPs
- 4th pct
- home value, US ZIPs
- 6
- people per sq mi
- 67%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78384 against every reporting US ZIP.
ZIP code 78384 is a mid-sized community (a standard USPS delivery area) in San Diego, Duval County, Texas, home to 6,640 residents across 1185.7 square miles, a density of 6 people per square mile, in the Chicago time zone.
ZIP 78384 reports a modest median household income of $47,603 (37% below the average Texas ZIP), while per-capita income is $18,794. Economic pressure is pronounced: 39.9% of residents are below the poverty line and unemployment is 14.8%. Home values sit below the statewide ZIP benchmark: the median is $78,100 (68% below the average Texas ZIP), and median rent is $764; owner occupancy is 67.3%.
Formal educational attainment runs low here: just 7.0% of adults hold a bachelor's degree or higher, the median age is 33.2, and the average commute is -. No nearby ZIP peer set is available for this delivery area, so the Texas and national benchmarks above are the appropriate context for 78384.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 78384
Top 5 sectors by establishment count in San Diego, TX
Which industries have the most business establishments in ZIP 78384.
- Retail trade
Retail trade
11 establishments
- Accommodation and food services
Accommodation and food services
9 establishments
- Health care and social assistance
Health care and social assistance
6 establishments
- Mining, quarrying, and oil and gas extraction
Mining, quarrying, and oil and gas extraction
5 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
5 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 78384, San Diego, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
6,640
Population
1185.7
Area (sq mi)
6
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 78384?
33.2
Median Age
55.8%
Male
44.2%
Female
4.3%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$47,603
Median Household Income
-37% vs state ZIP avg
$18,794
Per Capita Income
39.9%
Poverty Rate
14.8%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
2,129housing units
2,129
Total Housing Units
1,610
Occupied Units
519
Vacant Units
3.17
Avg Household Size
Occupancy Type
$78,100
Median Home Value
-68% vs state ZIP avg
$764
Median Rent
1975
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 54 business establishments in ZIP 78384, employing approximately 503 people with a combined annual payroll of $12,593,000.
54
Businesses
503
Employees
$12.6M
Annual Payroll
9
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 11 | 20.4% |
| Accommodation and food services | 9 | 16.7% |
| Health care and social assistance | 6 | 11.1% |
| Mining, quarrying, and oil and gas extraction | 5 | 9.3% |
| Professional, scientific, and technical services | 5 | 9.3% |
| Construction | 4 | 7.4% |
| Real estate and rental and leasing | 4 | 7.4% |
| Finance and insurance | 3 | 5.6% |
| Other services (except public administration) | 3 | 5.6% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 78384, both outside TX so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (6,640 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.