ZIP Code 78240
standardSource:
San Antonio · Bexar County · Texas
- Population
- 51,111
- Median income
- $63,351
- Median home value
- $257,500
- Bachelor's or higher
- 38.4%
- Land area
- 29.3 sq mi
1,742/sq mi
▼ 17% vs US
higher than 35% of US ZIPs
▼ 7% vs US
higher than 59% of US ZIPs
Median age 33
Chicago
ZIP code 78240 in San Antonio, Texas has a population of 51,111. The median household income is $63,351, which is 17% below the national average. Median home value is $257,500, 7% below the US average. 38.4% of residents hold a bachelor's degree or higher.
ZIP code 78240 is classified by USPS as a standard delivery area and covers roughly 29.3 square miles in San Antonio, Bexar County, Texas. The area is home to 51,111 residents, producing a population density of 1,742 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 78240 against Texas and the nation.
On the economic side, the median household income for ZIP 78240 sits at $63,351 (16% below the Texas average), while per-capita income is $39,127. The poverty rate stands at 15.6% and the unemployment rate at 3.9%. On housing, the median home value is $257,500 (4% above the state average) with median rent at $1,342 per month, and 34.4% of occupied units are owner-occupied, a direct signal of whether 78240 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 38.4% of adults hold a bachelor's degree or higher, the median age is 33, and the average commute is 24 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Bexar County, so you can benchmark 78240 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 78240
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 78240.
- Health care and social assistance
Health care and social assistance
253 establishments
- Accommodation and food services
Accommodation and food services
124 establishments
- Retail trade 76
Retail trade
76 establishments
- Other services (except public administration) 76
Other services (except public administration)
76 establishments
- Professional, scientific, and technical services 75
Professional, scientific, and technical services
75 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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 78240, San Antonio, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
51,111
Population
29.3
Area (sq mi)
1,742
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 78240?
33.0
Median Age
50.3%
Male
49.7%
Female
18.8%
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?
$63,351
Median Household Income
-16% vs state
$39,127
Per Capita Income
15.6%
Poverty Rate
3.9%
Unemployment Rate
23.5 min
Mean Commute Time
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?
28,440
Total Housing Units
24,991
Occupied Units
3,449
Vacant Units
2.29
Avg Household Size
Occupancy Type
$257,500
Median Home Value
+4% vs state
$1,342
Median Rent
1990
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
-3.9%
YoY Change (2024)
294
HPI Index (2000 = 100)
+194%
Total Change Since 2000
Home values in ZIP 78240 have decreased 3.9% over the past year (2024). Since 2000, this ZIP has seen +194% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.7% | 214 |
| 2021 | +15.2% | 246 |
| 2022 | +19.3% | 294 |
| 2023 | +4.0% | 306 |
| 2024 | -3.9% | 294 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 877 business establishments in ZIP 78240, employing approximately 12,883 people with a combined annual payroll of $616,200,000.
877
Businesses
12,883
Employees
$616.2M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 253 | 28.9% |
| Accommodation and food services | 124 | 14.1% |
| Retail trade | 76 | 8.7% |
| Other services (except public administration) | 76 | 8.7% |
| Professional, scientific, and technical services | 75 | 8.6% |
| Real estate and rental and leasing | 74 | 8.4% |
| Administrative and support and waste management and remediation services | 46 | 5.3% |
| Finance and insurance | 39 | 4.5% |
| Construction | 31 | 3.5% |
| Wholesale trade | 24 | 2.7% |
| Manufacturing | 17 | 1.9% |
| Transportation and warehousing | 12 | 1.4% |
| Information | 11 | 1.3% |
| Educational services | 10 | 1.1% |
| Arts, entertainment, and recreation | 6 | 0.7% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 78240 vs 78249 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 78249 | San Antonio, TX | 49,951 | 3.0 mi |
| 78229 | San Antonio, TX | 28,804 | 2.5 mi |
| 78238 | San Antonio, TX | 23,514 | 3.7 mi |
| 78230 | San Antonio, TX | 39,089 | 3.5 mi |
| 78250 | San Antonio, TX | 54,903 | 3.8 mi |
| 78213 | San Antonio, TX | 40,396 | 5.1 mi |
| 78228 | San Antonio, TX | 58,811 | 4.9 mi |
| 78256 | San Antonio, TX | 6,855 | 6.9 mi |
| 78231 | San Antonio, TX | 7,906 | 5.4 mi |
| 78216 | San Antonio, TX | 40,267 | 7.2 mi |
More ZIP Codes in Bexar County
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Frequently Asked Questions
What county is ZIP code 78240 in? ▼
What is the population of ZIP code 78240? ▼
What is the median household income in ZIP 78240? ▼
What is the average home value in ZIP 78240? ▼
What is the demographic makeup of ZIP 78240? ▼
How many businesses are in ZIP code 78240? ▼
What are the main industries in ZIP code 78240? ▼
How have home values changed in ZIP code 78240? ▼
What is the education level in ZIP code 78240? ▼
What is the average commute time in ZIP 78240? ▼
What percentage of residents own vs. rent in ZIP 78240? ▼
What is the poverty rate in ZIP code 78240? ▼
ZIP Code Research Guides
Official Data Resources for San Antonio, TX
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.