78237 ZIP Code — San Antonio, TX

Bexar County, Texas

ZIP code 78237 is located in San Antonio, Texas, within Bexar County. It covers approximately 7.13 square miles and serves a population of 38,492 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 210.

About ZIP code 78237

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $93,700. Owner-occupancy sits near the national average at 62%.

Median household income is $38,447. Poverty affects 29% of residents, above the national average. SNAP benefit usage at 43% of households reflects economic stress in the area. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.

College attainment at 6% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of obesity (48%), diabetes (21%), smoking (21%) compared to national benchmarks. 27% of residents lack health insurance, above the national average.

Notable community characteristics include Spanish spoken in 27% of households.

Overall, ZIP code 78237 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

38,492

population

7.13

sq mi land

Standard

ZIP type

Central (CT)

timezone

78237 ZIP code map

Cities in ZIP code 78237

Below are the cities the US Postal Service accepts for ZIP code 78237. Using any city not on this list may result in mail delivery delays.

City	Status
San Antonio	Preferred

Nearby ZIP codes

78241 San Antonio (2.5 mi) 78207 San Antonio (2.6 mi) 78228 San Antonio (2.8 mi) 78226 San Antonio (3.1 mi) 78225 San Antonio (3.2 mi) 78204 San Antonio (3.6 mi) 78227 San Antonio (3.9 mi) 78201 San Antonio (4 mi) 78206 San Antonio (4.3 mi) 78289 San Antonio (4.3 mi) 78285 San Antonio (4.3 mi) 78243 San Antonio (4.3 mi)

Demographics updated 06/2026

Population
Total population	38,492
Population density	5,399 / sq mi
State FIPS	48
County FIPS	029

Geography
Land area	7.13 sq mi
Water area	0.02 sq mi
Latitude	29.4209
Longitude	-98.5653
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	69.9%	43.3%	39.5%
$50k – $100k	24.2%	31.4%	30.1%
$100k – $200k	5.5%	19.9%	22.6%
Over $200k	0.4%	5.4%	7.8%

Demographics & statistics

38,492

Population

5,399

People per sq mi

34.1

Median age

$38,447

Median household income

$18,217

Per capita income

$93,700

Median home value

$939

Median monthly rent

62.0%

Home ownership

28.6%

Poverty rate

8.9%

Unemployment

8,815

Housing units

5.5%

Bachelor's or higher

Age distribution

Male Female

1,219

Under 5

1,304

1,467

5–9

1,568

1,549

10–14

1,656

1,352

15–19

1,446

1,343

20–24

1,436

2,552

25–34

2,729

2,180

35–44

2,331

2,175

45–54

2,327

1,372

55–59

1,467

1,051

60–64

1,125

1,279

65–74

1,368

805

75–84

860

257

85+

274

← Male

Female →

Age summary

Group	Count	%
Under 18	10,633	27.6%
18 and over	27,859	72.4%
65 and over	4,843	12.6%
Median age	34.1 years

Race & ethnicity

White 36.5%

Hispanic or Latino 30.1%

Two or more races 25.1%

Other race 5.7%

Black or African American 1.3%

American Indian / Alaska Native 1.2%

Asian 0.1%

Group	Count	%
White	20,109	36.5%
Hispanic or Latino	16,540	30.1%
Two or more races	13,832	25.1%
Other race	3,110	5.7%
Black or African American	721	1.3%
American Indian / Alaska Native	656	1.2%
Asian	56	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	69.9%	43.3%	39.5%
$50k – $100k	24.2%	31.4%	30.1%
$100k – $200k	5.5%	19.9%	22.6%
Over $200k	0.4%	5.4%	7.8%

Under $10k 9.4%

$10k–$15k 6.3%

$15k–$25k 14.3%

$25k–$35k 14.7%

$35k–$50k 20.5%

$50k–$75k 14.6%

$75k–$100k 10.0%

$100k–$150k 6.8%

$150k–$200k 2.2%

$200k+ 1.2%

Range	% of households
Under $10k	9.4%
$10k–$15k	6.3%
$15k–$25k	14.3%
$25k–$35k	14.7%
$35k–$50k	20.5%
$50k–$75k	14.6%
$75k–$100k	10.0%
$100k–$150k	6.8%
$150k–$200k	2.2%
$200k+	1.2%
Median income	$38,447

Housing

Home values

Under $50k 12.3%

$50k–$100k 45.3%

$100k–$150k 27.3%

$150k–$200k 9.5%

$200k–$300k 4.7%

$300k–$500k 0.6%

$500k–$1M 0.3%

Housing overview

Metric	Value
Median home value	$93,700
Median rent / month	$939
Owner occupied	62.0%
Renter occupied	38.0%
Vacant	8.3%
Single-family detached	80.3%
Large apartment buildings	5.8%
Mobile homes	0.8%
Median rooms	4.9
Avg household size (owned)	3.13

Year built

Era	%
2020 or later	0.1%
2010–2019	4.6%
2000–2009	8.2%
1990–1999	7.9%
1980–1989	8.2%
1970–1979	10.2%
1960–1969	20.7%
1950–1959	23.5%
1940–1949	13.2%
1939 or earlier	3.3%

Bedrooms

Size	% of units
No bedroom (studio)	1.7%
1 bedroom	9.3%
2 bedrooms	31.7%
3 bedrooms	46.3%
4 bedrooms	9.0%
5+ bedrooms	2.1%

Vehicles per household

Vehicles	% of households
No vehicle	12.1%
1 vehicle	35.0%
2 vehicles	34.0%
3 or more	18.9%

Heating fuel

Fuel type	%
Utility gas	34.3%
Electricity	64.3%
Propane / LP gas	0.3%
No fuel used	0.9%

Households & families

Household type	Count	%
Married-couple family	4,033	32.5%
Cohabiting couple	913	7.4%
Male householder, no spouse	2,684	21.6%
Female householder, no spouse	4,776	38.5%
Households with children under 18	4,667	37.6%
Households with seniors (65+)	3,873	31.2%
Average household size	3.09

Marital status

Status	Male	Female
Never married	41.6%	38.4%
Married	36.9%	31.1%
Separated	4.8%	6.2%
Widowed	4.3%	10.9%
Divorced	12.4%	13.4%

Education

Less than 9th grade 20.8%

Some HS, no diploma 15.6%

HS graduate 35.1%

Some college, no degree 17.8%

Associate's degree 5.1%

Bachelor's degree 3.8%

Graduate / professional 1.7%

Metric	%
HS diploma or higher	63.6%
Bachelor's or higher	5.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	573	5.8%
Kindergarten	626	6.4%
Elementary school	5,210	53.0%
High school	2,283	23.2%
College / grad school	1,138	11.6%

Employment

Industry of employment

Education & healthcare 24.7%

Construction 17.9%

Arts, food & hospitality 12.3%

Retail trade 9.0%

Professional & management 8.5%

Manufacturing 7.8%

Other services 5.2%

Finance & real estate 4.8%

Transportation & utilities 4.7%

Wholesale trade 2.0%

Public administration 1.9%

Information 0.8%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	13.7%
Service	28.7%
Sales & office	19.6%
Natural resources & construction	21.7%
Production & transportation	16.2%

Employment type

Type	%
Private sector	81.5%
Government	11.0%
Self-employed	7.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	69.0%
Carpool	17.7%
Public transit	4.3%
Walk	1.2%
Work from home	5.7%
Other means	2.1%
Avg commute (minutes)	25.4

Poverty

All people 28.6%

Under 18 years 45.7%

18 and over 22.1%

Married-couple families 15.8%

Female-led households 34.8%

Income support

Source	% of households
Social Security	34.2%
Retirement income	17.3%
Supplemental Security	12.2%
Cash public assistance	3.9%
Food stamps / SNAP	42.5%

Health indicators

Condition	%
Obesity	48.0%
High blood pressure	39.9%
High cholesterol	35.8%
Diabetes	21.2%
Heart disease	8.5%
Stroke	4.3%
Asthma	10.0%
Arthritis	23.7%
Kidney disease	4.6%
Pulmonary disease	7.6%
Cancer	4.5%

Behavior / access	%
Smoking	20.9%
Binge drinking	14.5%
No physical activity	41.4%
Less than 7 hrs sleep	39.0%
Depression	22.2%
Fair or poor health	36.1%
Poor mental health	18.1%
Poor physical health	17.8%
No health insurance	53.9%
Visited doctor (checkup)	70.9%
Visited dentist	35.0%
Cholesterol screening	83.8%
Teeth loss	25.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,037	3.7%

Disability	%
Any disability	18.9%
Under 18	7.6%
18–64 years	18.1%
65 and over	47.9%

Health insurance coverage

Type	%
Private insurance	34.4%
Public insurance	46.1%
No insurance	26.8%
Uninsured under 19	10.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	35,969	93.4%
Spanish	9,689	26.9%
Other Indo-European	9,630	26.8%
Asian & Pacific Islander	59	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	31,184	81.0%
Born in same state	30,799	80.0%
Born in different state	29,379	76.3%
Foreign born	385	1.0%
Naturalized citizen	7,308	19.0%
Not a US citizen	1,475	20.2%

Ancestry

Ancestry	Count	%
Arab	1,263	3.3%
Italian	185	0.5%
French	86	0.2%

Ancestry	Count	%
Irish	55	0.1%
Polish	13	0%

Technology access

Metric	% of households
Computer access	32.2%
Internet access	87.6%

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

Frequently asked questions about ZIP code 78237

What city is ZIP code 78237 in?

ZIP code 78237 is primarily assigned to San Antonio, Texas.

What county is ZIP code 78237 in?

ZIP code 78237 falls within Bexar County, Texas.

What is the poverty rate in ZIP code 78237?

29% of residents in ZIP code 78237 live below the poverty line, above the national average.

How educated is the population of ZIP code 78237?

6% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Is Spanish widely spoken in ZIP code 78237?

Approximately 27% of households in ZIP code 78237 speak Spanish as a primary language.

What are the health statistics for ZIP code 78237?

Health data for ZIP code 78237 shows elevated rates of obesity (48%) and diabetes (21%) and smoking (21%) compared to national benchmarks.

What timezone is ZIP code 78237 in?

ZIP code 78237 observes the CST timezone.