78230 ZIP Code — San Antonio, TX

Bexar County, Texas

ZIP code 78230 is located in San Antonio, Texas, within Bexar County. It covers approximately 10.49 square miles and serves a population of 42,387 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 210.

About ZIP code 78230

The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $317,000. Owner-occupancy sits near the national average at 49%.

The gap between median ($69,171) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.

Educational attainment is high — 49% of residents hold a bachelor's degree or higher, well above the national average of 33%.

42,387
population
10.49
sq mi land
Standard
ZIP type
Central (CT)
timezone
78230 ZIP code map
Cities in ZIP code 78230

Below are the cities the US Postal Service accepts for ZIP code 78230. Using any city not on this list may result in mail delivery delays.

City Status
San Antonio Acceptable
San Antonio Preferred
Nearby ZIP codes
78231 San Antonio (2.4 mi) 78213 San Antonio (2.4 mi) 78229 San Antonio (2.6 mi) 78240 San Antonio (3.5 mi) 78248 San Antonio (3.6 mi) 78249 San Antonio (3.7 mi) 78216 San Antonio (4.7 mi) 78201 San Antonio (5 mi) 78228 San Antonio (5.6 mi) 78238 San Antonio (5.7 mi) 78232 San Antonio (5.8 mi) 78250 San Antonio (7.1 mi)
Demographics updated 06/2026
Population
Total population 42,387
Population density 4,041 / sq mi
State FIPS 48
County FIPS 029
Geography
Land area 10.49 sq mi
Water area 0.01 sq mi
Latitude 29.5428
Longitude -98.5596
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 41.2% 43.3% 39.5%
$50k – $100k 28.3% 31.4% 30.1%
$100k – $200k 22.9% 19.9% 22.6%
Over $200k 7.6% 5.4% 7.8%

Demographics & statistics

42,387
Population
4,041
People per sq mi
38.2
Median age
$69,171
Median household income
$46,306
Per capita income
$317,000
Median home value
$1,214
Median monthly rent
49.0%
Home ownership
9.3%
Poverty rate
5.0%
Unemployment
11,124
Housing units
49.3%
Bachelor's or higher

Age distribution

Male Female
1,382
Under 5
1,451
747
5–9
784
813
10–14
854
1,191
15–19
1,249
1,847
20–24
1,939
3,423
25–34
3,591
2,955
35–44
3,101
2,421
45–54
2,541
1,088
55–59
1,141
1,131
60–64
1,187
2,143
65–74
2,249
966
75–84
1,014
575
85+
604
← Male
Female →

Age summary

GroupCount%
Under 187,33317.3%
18 and over35,05482.7%
65 and over7,55117.8%
Median age38.2 years

Race & ethnicity

White 47%
Hispanic or Latino 20.5%
Two or more races 18.5%
Other race 5.6%
Black or African American 4.9%
Asian 2.9%
American Indian / Alaska Native 0.6%
GroupCount%
White25,03247%
Hispanic or Latino10,91520.5%
Two or more races9,83718.5%
Other race3,0065.6%
Black or African American2,6344.9%
Asian1,5592.9%
American Indian / Alaska Native3190.6%

Household income

Income range This ZIP County avg State avg
Under $50k 41.2% 43.3% 39.5%
$50k – $100k 28.3% 31.4% 30.1%
$100k – $200k 22.9% 19.9% 22.6%
Over $200k 7.6% 5.4% 7.8%
Under $10k 4.9%
$10k–$15k 4.0%
$15k–$25k 6.4%
$25k–$35k 8.2%
$35k–$50k 11.4%
$50k–$75k 18.6%
$75k–$100k 12.0%
$100k–$150k 15.6%
$150k–$200k 8.6%
$200k+ 10.3%
Range% of households
Under $10k4.9%
$10k–$15k4.0%
$15k–$25k6.4%
$25k–$35k8.2%
$35k–$50k11.4%
$50k–$75k18.6%
$75k–$100k12.0%
$100k–$150k15.6%
$150k–$200k8.6%
$200k+10.3%
Median income$69,171

Housing

Home values

Under $50k 1.6%
$50k–$100k 1.6%
$100k–$150k 3.7%
$150k–$200k 9.8%
$200k–$300k 28.8%
$300k–$500k 40.3%
$500k–$1M 11.1%
$1M+ 3.1%

Housing overview

MetricValue
Median home value$317,000
Median rent / month$1,214
Owner occupied49.0%
Renter occupied51.0%
Vacant8.6%
Single-family detached48.1%
Large apartment buildings15.5%
Mobile homes0.0%
Median rooms5.1
Avg household size (owned)2.45

Year built

Era%
2020 or later0.1%
2010–20199.3%
2000–200911.7%
1990–199918.8%
1980–198919.6%
1970–197923.7%
1960–196914.8%
1950–19591.0%
1940–19490.3%
1939 or earlier0.6%

Bedrooms

Size% of units
No bedroom (studio)2.4%
1 bedroom21.5%
2 bedrooms27.1%
3 bedrooms28.0%
4 bedrooms16.5%
5+ bedrooms4.5%

Vehicles per household

Vehicles% of households
No vehicle4.3%
1 vehicle43.5%
2 vehicles37.1%
3 or more15.1%

Heating fuel

Fuel type%
Utility gas31.2%
Electricity67.1%
Propane / LP gas0.7%
Fuel oil0.2%
Wood0.3%
No fuel used0.4%

Households & families

Household typeCount%
Married-couple family6,86836.0%
Cohabiting couple1,2366.5%
Male householder, no spouse4,11821.6%
Female householder, no spouse6,84835.9%
Households with children under 184,00121.0%
Households with seniors (65+)5,55229.1%
Average household size2.21

Marital status

StatusMaleFemale
Never married41.4%35.4%
Married43.2%38.0%
Separated1.4%2.0%
Widowed2.2%12.4%
Divorced11.7%12.3%

Education

Less than 9th grade 1.8%
Some HS, no diploma 3.8%
HS graduate 17.4%
Some college, no degree 21.9%
Associate's degree 5.8%
Bachelor's degree 29.1%
Graduate / professional 20.2%
Metric%
HS diploma or higher94.4%
Bachelor's or higher49.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool8649.8%
Kindergarten4765.4%
Elementary school2,37627.0%
High school1,75620.0%
College / grad school3,31337.7%

Employment

Industry of employment

Education & healthcare 25.1%
Professional & management 14.2%
Retail trade 13.1%
Finance & real estate 11.6%
Arts, food & hospitality 10.3%
Transportation & utilities 6.1%
Construction 4.4%
Manufacturing 4.1%
Other services 4.0%
Public administration 3.0%
Information 2.0%
Wholesale trade 1.6%
Agriculture & mining 0.6%

Occupation

Category%
Management, business & arts45.9%
Service12.6%
Sales & office28.3%
Natural resources & construction5.3%
Production & transportation7.8%

Employment type

Type%
Private sector81.0%
Government12.5%
Self-employed6.0%
Unpaid family workers0.5%

Commute

Method%
Drive alone73.4%
Carpool8.8%
Public transit1.6%
Walk2.4%
Work from home13.2%
Other means0.7%
Avg commute (minutes)22.1

Poverty

All people 9.3%
Under 18 years 8.3%
18 and over 9.6%
Married-couple families 3.3%
Female-led households 10.2%

Income support

Source% of households
Social Security29.1%
Retirement income24.8%
Supplemental Security5.1%
Cash public assistance2.9%
Food stamps / SNAP7.5%

Health indicators

Condition%
Obesity35.5%
High blood pressure31.9%
High cholesterol31.6%
Diabetes10.7%
Heart disease5.6%
Stroke2.4%
Asthma8.5%
Arthritis19.9%
Kidney disease2.6%
Pulmonary disease4.7%
Cancer5.8%
Behavior / access%
Smoking11.7%
Binge drinking17.8%
No physical activity19.5%
Less than 7 hrs sleep33.1%
Depression20.5%
Fair or poor health14.4%
Poor mental health14.0%
Poor physical health9.1%
No health insurance25.2%
Visited doctor (checkup)71.9%
Visited dentist61.7%
Cholesterol screening89.4%
Teeth loss10.1%

Veterans & disability

VeteransCount%
Civilian veterans3,1008.9%
Disability%
Any disability14.4%
Under 183.3%
18–64 years12.5%
65 and over32.4%

Health insurance coverage

Type%
Private insurance73.5%
Public insurance29.9%
No insurance9.9%
Uninsured under 194.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only39,55493.3%
Spanish3,6839.3%
Other Indo-European2,9057.3%
Asian & Pacific Islander700.2%
Other languages2940.7%

Place of birth & citizenship

OriginCount%
Native born (US)35,71284.3%
Born in same state35,00682.6%
Born in different state24,51857.8%
Foreign born7061.7%
Naturalized citizen6,67515.7%
Not a US citizen3,56653.4%

Ancestry

AncestryCount%
French3,4908.2%
Italian2,8166.6%
Arab1,3343.1%
English2280.5%
Polish2280.5%
AncestryCount%
Irish600.1%
German510.1%
Dutch400.1%
Norwegian370.1%

Technology access

Metric% of households
Computer access45.0%
Internet access97.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 78230

What city is ZIP code 78230 in?

ZIP code 78230 is primarily assigned to San Antonio, Texas.

What county is ZIP code 78230 in?

ZIP code 78230 falls within Bexar County, Texas.

How educated is the population of ZIP code 78230?

49% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 78230?

The median home value in ZIP code 78230 is $317,000.

What is the population of ZIP code 78230?

ZIP code 78230 has an estimated population of 42,387 residents, with a density of 4,040 people per square mile.

What is the median household income in ZIP code 78230?

The median household income in ZIP code 78230 is $69,171, below the national median of ~$75,000.

What timezone is ZIP code 78230 in?

ZIP code 78230 observes the CST timezone.

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