78240 ZIP Code — San Antonio, TX
Bexar County, Texas
ZIP code 78240 is located in San Antonio, Texas, within Bexar County. It covers approximately 11.17 square miles and serves a population of 57,532 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 210.
About ZIP code 78240
The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $228,800. Renters make up the majority at 66%, typical of denser urban areas.
Median household income is $61,241.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.
Educational attainment is near the national average, with 39% of residents holding a bachelor's degree or higher.
16% of residents lack health insurance, above the national average.
57,532
population
11.17
sq mi land
Standard
ZIP type
Central (CT)
timezone
78240 ZIP code map
Cities in ZIP code 78240
Below are the cities the US Postal Service accepts for ZIP code 78240. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| San Antonio | Preferred |
Nearby ZIP codes
78229 San Antonio (2.2 mi)
78238 San Antonio (3.1 mi)
78230 San Antonio (3.5 mi)
78249 San Antonio (3.5 mi)
78250 San Antonio (3.6 mi)
78228 San Antonio (4.6 mi)
78213 San Antonio (4.9 mi)
78251 San Antonio (5.1 mi)
78201 San Antonio (5.5 mi)
78231 San Antonio (5.5 mi)
78248 San Antonio (6.8 mi)
78254 San Antonio (7.2 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 57,532 |
| Population density | 5,151 / sq mi |
| State FIPS | 48 |
| County FIPS | 029 |
| Geography | |
|---|---|
| Land area | 11.17 sq mi |
| Water area | 0.01 sq mi |
| Latitude | 29.5185 |
| Longitude | -98.6097 |
| Timezone | Central (CT) |
| Area code | 210 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 44.9% | 43.3% | 39.5% |
| $50k – $100k | 32.8% | 31.4% | 30.1% |
| $100k – $200k | 18.4% | 19.9% | 22.6% |
| Over $200k | 3.9% | 5.4% | 7.8% |
Demographics & statistics
57,532
Population
5,151
People per sq mi
31.9
Median age
$61,241
Median household income
$35,770
Per capita income
$228,800
Median home value
$1,252
Median monthly rent
34.3%
Home ownership
15.1%
Poverty rate
4.8%
Unemployment
11,104
Housing units
38.9%
Bachelor's or higher
Age distribution
Male
Female
2,057
Under 5
2,044
1,845
5–9
1,833
1,676
10–14
1,667
1,461
15–19
1,452
2,831
20–24
2,815
6,146
25–34
6,109
3,712
35–44
3,689
2,755
45–54
2,739
1,307
55–59
1,300
1,303
60–64
1,295
2,181
65–74
2,168
978
75–84
973
600
85+
596
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 13,022 | 22.6% |
| 18 and over | 44,510 | 77.4% |
| 65 and over | 7,496 | 13.0% |
| Median age | 31.9 years | |
Race & ethnicity
White
43.2%
Hispanic or Latino
18.4%
Two or more races
16%
Black or African American
9.5%
Asian
7.6%
Other race
4.5%
American Indian / Alaska Native
0.8%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 30,427 | 43.2% |
| Hispanic or Latino | 12,938 | 18.4% |
| Two or more races | 11,308 | 16% |
| Black or African American | 6,679 | 9.5% |
| Asian | 5,334 | 7.6% |
| Other race | 3,154 | 4.5% |
| American Indian / Alaska Native | 557 | 0.8% |
| Native Hawaiian / Pacific Islander | 73 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 44.9% | 43.3% | 39.5% |
| $50k – $100k | 32.8% | 31.4% | 30.1% |
| $100k – $200k | 18.4% | 19.9% | 22.6% |
| Over $200k | 3.9% | 5.4% | 7.8% |
Under $10k
6.0%
$10k–$15k
3.2%
$15k–$25k
8.6%
$25k–$35k
7.9%
$35k–$50k
14.6%
$50k–$75k
19.8%
$75k–$100k
13.4%
$100k–$150k
14.4%
$150k–$200k
6.0%
$200k+
5.9%
| Range | % of households |
|---|---|
| Under $10k | 6.0% |
| $10k–$15k | 3.2% |
| $15k–$25k | 8.6% |
| $25k–$35k | 7.9% |
| $35k–$50k | 14.6% |
| $50k–$75k | 19.8% |
| $75k–$100k | 13.4% |
| $100k–$150k | 14.4% |
| $150k–$200k | 6.0% |
| $200k+ | 5.9% |
| Median income | $61,241 |
Housing
Home values
Under $50k
2.9%
$50k–$100k
0.7%
$100k–$150k
4.6%
$150k–$200k
24.1%
$200k–$300k
45.5%
$300k–$500k
18.4%
$500k–$1M
3.1%
$1M+
0.7%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $228,800 |
| Median rent / month | $1,252 |
| Owner occupied | 34.3% |
| Renter occupied | 65.7% |
| Vacant | 9.7% |
| Single-family detached | 34.4% |
| Large apartment buildings | 17.7% |
| Mobile homes | 0.4% |
| Median rooms | 4.4 |
| Avg household size (owned) | 2.58 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.5% |
| 2010–2019 | 8.3% |
| 2000–2009 | 18.0% |
| 1990–1999 | 19.6% |
| 1980–1989 | 28.9% |
| 1970–1979 | 15.6% |
| 1960–1969 | 6.4% |
| 1950–1959 | 1.9% |
| 1940–1949 | 0.1% |
| 1939 or earlier | 0.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 5.0% |
| 1 bedroom | 26.4% |
| 2 bedrooms | 29.0% |
| 3 bedrooms | 28.9% |
| 4 bedrooms | 8.9% |
| 5+ bedrooms | 1.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 8.5% |
| 1 vehicle | 47.1% |
| 2 vehicles | 31.7% |
| 3 or more | 12.7% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 20.7% |
| Electricity | 78.0% |
| Propane / LP gas | 0.4% |
| Solar | 0.3% |
| No fuel used | 0.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 8,106 | 32.9% |
| Cohabiting couple | 1,926 | 7.8% |
| Male householder, no spouse | 6,112 | 24.8% |
| Female householder, no spouse | 8,507 | 34.5% |
| Households with children under 18 | 6,688 | 27.1% |
| Households with seniors (65+) | 5,638 | 22.9% |
| Average household size | 2.31 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 43.1% | 36.5% |
| Married | 39.9% | 35.8% |
| Separated | 1.6% | 2.5% |
| Widowed | 2.0% | 8.6% |
| Divorced | 13.5% | 16.7% |
Education
Less than 9th grade
3.9%
Some HS, no diploma
3.5%
HS graduate
19.7%
Some college, no degree
24.2%
Associate's degree
9.9%
Bachelor's degree
23.4%
Graduate / professional
15.5%
| Metric | % |
|---|---|
| HS diploma or higher | 92.7% |
| Bachelor's or higher | 38.9% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 596 | 4.0% |
| Kindergarten | 690 | 4.6% |
| Elementary school | 5,903 | 39.6% |
| High school | 2,364 | 15.8% |
| College / grad school | 5,362 | 36.0% |
Employment
Industry of employment
Education & healthcare
26.5%
Professional & management
16.4%
Arts, food & hospitality
10.7%
Retail trade
10.3%
Finance & real estate
10.0%
Construction
6.0%
Public administration
4.6%
Transportation & utilities
4.5%
Manufacturing
4.4%
Other services
3.3%
Information
1.5%
Wholesale trade
1.2%
Agriculture & mining
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 47.3% |
| Service | 16.4% |
| Sales & office | 21.6% |
| Natural resources & construction | 6.8% |
| Production & transportation | 7.9% |
Employment type
| Type | % |
|---|---|
| Private sector | 81.9% |
| Government | 13.0% |
| Self-employed | 5.0% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 71.8% |
| Carpool | 9.4% |
| Public transit | 1.7% |
| Walk | 1.7% |
| Work from home | 13.2% |
| Other means | 2.3% |
| Avg commute (minutes) | 23.8 |
Poverty
All people
15.1%
Under 18 years
19.8%
18 and over
13.7%
Married-couple families
7.7%
Female-led households
21.6%
Income support
| Source | % of households |
|---|---|
| Social Security | 23.0% |
| Retirement income | 18.5% |
| Supplemental Security | 4.0% |
| Cash public assistance | 2.1% |
| Food stamps / SNAP | 13.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 35.7% |
| High blood pressure | 29.3% |
| High cholesterol | 29.2% |
| Diabetes | 10.0% |
| Heart disease | 4.8% |
| Stroke | 2.2% |
| Asthma | 8.7% |
| Arthritis | 17.4% |
| Kidney disease | 2.4% |
| Pulmonary disease | 4.3% |
| Cancer | 4.7% |
| Behavior / access | % |
|---|---|
| Smoking | 13.0% |
| Binge drinking | 18.3% |
| No physical activity | 20.7% |
| Less than 7 hrs sleep | 35.0% |
| Depression | 20.7% |
| Fair or poor health | 14.8% |
| Poor mental health | 15.1% |
| Poor physical health | 8.9% |
| No health insurance | 27.3% |
| Visited doctor (checkup) | 70.2% |
| Visited dentist | 58.2% |
| Cholesterol screening | 87.4% |
| Teeth loss | 11.3% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 4,456 | 10.1% |
| Disability | % |
|---|---|
| Any disability | 12.9% |
| Under 18 | 7.8% |
| 18–64 years | 9.1% |
| 65 and over | 41.8% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 64.8% |
| Public insurance | 31.5% |
| No insurance | 15.8% |
| Uninsured under 19 | 8.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 53,431 | 92.9% |
| Spanish | 4,839 | 9.1% |
| Other Indo-European | 2,479 | 4.6% |
| Asian & Pacific Islander | 1,039 | 1.9% |
| Other languages | 924 | 1.7% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 47,577 | 82.7% |
| Born in same state | 46,073 | 80.1% |
| Born in different state | 32,817 | 57.0% |
| Foreign born | 1,504 | 2.6% |
| Naturalized citizen | 9,955 | 17.3% |
| Not a US citizen | 3,692 | 37.1% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 2,564 | 4.5% |
| Italian | 2,549 | 4.4% |
| Arab | 2,227 | 3.9% |
| English | 263 | 0.5% |
| Polish | 223 | 0.4% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 108 | 0.2% |
| German | 92 | 0.2% |
| Irish | 38 | 0.1% |
| Norwegian | 13 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 42.8% |
| Internet access | 97.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 78240
What part of San Antonio is ZIP code 78240?
ZIP code 78240 covers a portion of San Antonio, Texas, within Bexar County.
What county is ZIP code 78240 in?
ZIP code 78240 falls within Bexar County, Texas.
Is ZIP code 78240 mostly rentals?
66% of occupied units in ZIP code 78240 are renter-occupied.
What is the poverty rate in ZIP code 78240?
15% of residents in ZIP code 78240 live below the poverty line, above the national average.
Does ZIP code 78240 have a large veteran population?
10% of civilians in ZIP code 78240 are veterans, above the national average of ~7%.
What is the population of ZIP code 78240?
ZIP code 78240 has an estimated population of 57,532 residents, with a density of 5,150 people per square mile.
What timezone is ZIP code 78240 in?
ZIP code 78240 observes the CST timezone.