PlainZIP

San Antonio, TX · standard

ZIP Code 78240

Bexar County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

51,111
1,742/sq mi
$63,351
Median income
$257,500
Median home value
38.4%
Bachelor's or higher

The verdict

San Antonio pairs a below-median household income with above-median home values, in a low-density, renter-heavy and unusually populous area.

35th pct
household income, US ZIPs
Top 41%
home value, US ZIPs
1,742
people per sq mi
34%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78240 against every reporting US ZIP.

ZIP code 78240 is a densely settled ZIP (a standard USPS delivery area) in San Antonio, Bexar County, Texas, with 51,111 residents across 29.3 square miles, a density of 1,742 people per square mile, in the Chicago time zone.

ZIP 78240 reports a modest median household income of $63,351 (16% below the Texas average), while per-capita income is $39,127. Poverty here runs at 15.6%, with unemployment measured at 3.9%. Median home value sits at $257,500 (4% above the state average), median rent at $1,342 a month, and owner-occupancy at 34.4%.

A solid share of residents have a four-year degree: 38.4% of adults hold a bachelor's degree or higher, the median age is 33, and the average commute is 24 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 78240, plus 6 more within Bexar County, give a clearer read than the national average alone.

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 78240

Top 5 sectors by establishment count in San Antonio, TX

Which industries have the most business establishments in ZIP 78240.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 78240, San Antonio, 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

51,111

Population

29.3

Area (sq mi)

1,742

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 78240?

33.0

Median Age

50.3%

Male

49.7%

Female

18.8%

Foreign-Born

White 40.1%
African American 12.8%
Asian 9.2%
American Indian or Alaska Native 1.7%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 28.6%
Hispanic or Latino 51.5%

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

How ZIP 78240 ranks nationally

San Antonio, TX household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$63,351 35th percentile higher than 35% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 59.6%
Bachelor's Degree or Higher 38.4%

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

Owner 34.4%
Renter 65.6%

$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 78240 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 78240 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 78240 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 78240 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
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

78228 standard
San Antonio, TX
Pop: 58,811
78245 standard
San Antonio, TX
Pop: 56,511
78207 standard
San Antonio, TX
Pop: 55,514
78250 standard
San Antonio, TX
Pop: 54,903
78223 standard
San Antonio, TX
Pop: 50,637
78249 standard
San Antonio, TX
Pop: 49,951

Related Areas

Bexar County San Antonio, TX Texas

Frequently Asked Questions

What county is ZIP code 78240 in? ▼
ZIP code 78240 (San Antonio) is located in Bexar County, Texas. Bexar County contains multiple ZIP codes, see the full list at /counties/bexar-tx.
What is the population of ZIP code 78240? ▼
ZIP code 78240 in San Antonio, TX has a population of 51,111 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78240? ▼
The median household income in ZIP 78240 is $63,351, which is 17% below the national average of $76,288.
What is the average home value in ZIP 78240? ▼
The median home value in ZIP 78240 is $257,500, which is 7% below the national average of $278,155.
What is the demographic makeup of ZIP 78240? ▼
The largest racial group in ZIP 78240 is White at 40.1%. Hispanic or Latino residents make up 51.5% of the population.
How many businesses are in ZIP code 78240? ▼
ZIP code 78240 has 877 business establishments employing approximately 12,883 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 78240? ▼
The top industries by establishment count in ZIP 78240 are: Health care and social assistance (253), Accommodation and food services (124), Retail trade (76). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 78240? ▼
According to the FHFA House Price Index, home values in ZIP 78240 decreased by 3.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 194%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 78240? ▼
In ZIP code 78240, 59.6% of residents aged 25+ have a high school diploma or higher, and 38.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 78240? ▼
The mean commute time for workers in ZIP code 78240 is 23.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 78240? ▼
In ZIP code 78240, approximately 34.4% of occupied housing units are owner-occupied and 65.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78240? ▼
The poverty rate in ZIP code 78240 is 15.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.