78266 ZIP Code — San Antonio, TX

Comal County, Texas

ZIP code 78266 is located in San Antonio, Texas, within Comal County. It covers approximately 39.68 square miles and serves a population of 6,913 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 210.

About ZIP code 78266

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $474,100. Owner-occupancy is high at 93%, well above the national average.

The gap between median ($132,024) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average.

Educational attainment is high — 58% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Notable community characteristics include a notable veteran presence at 18% of civilians, above the national average of 7%.

Overall, ZIP code 78266 reflects a community defined by a highly educated population, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

6,913

population

39.68

sq mi land

Standard

ZIP type

Central (CT)

timezone

78266 ZIP code map

Cities in ZIP code 78266

Below are the cities the US Postal Service accepts for ZIP code 78266. Using any city not on this list may result in mail delivery delays.

City	Status
San Antonio	Acceptable
San Antonio	Preferred

Nearby ZIP codes

78261 San Antonio (5.3 mi) 78259 San Antonio (5.9 mi) 78154 Schertz (6.5 mi) 78233 San Antonio (7.3 mi) 78148 Universal City (7.4 mi) 78247 San Antonio (7.9 mi) 78108 Cibolo (8.4 mi) 78108 Cibolo (8.4 mi) 78150 Jbsa Randolph (9.5 mi) 78217 San Antonio (9.7 mi) 78239 San Antonio (9.9 mi) 78260 San Antonio (10.2 mi)

Demographics updated 06/2026

Population
Total population	6,913
Population density	174 / sq mi
State FIPS	48
County FIPS	091

Geography
Land area	39.68 sq mi
Water area	0.33 sq mi
Latitude	29.6550
Longitude	-98.3197
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	14.3%	29.6%	39.5%
$50k – $100k	18.5%	32.2%	30.1%
$100k – $200k	44.7%	26.6%	22.6%
Over $200k	22.5%	11.6%	7.8%

Demographics & statistics

6,913

Population

174

People per sq mi

47.7

Median age

$132,024

Median household income

$58,859

Per capita income

$474,100

Median home value

$2,226

Median monthly rent

93.2%

Home ownership

3.3%

Poverty rate

3.2%

Unemployment

2,565

Housing units

57.9%

Bachelor's or higher

Age distribution

Male Female

186

Under 5

159

138

5–9

119

294

10–14

252

298

15–19

256

147

20–24

127

178

25–34

153

505

35–44

434

502

45–54

431

316

55–59

271

436

60–64

374

401

65–74

345

209

75–84

180

109

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,380	20.0%
18 and over	5,533	80.0%
65 and over	1,337	19.3%
Median age	47.7 years

Race & ethnicity

White 47.7%

Two or more races 21.1%

Hispanic or Latino 18.6%

Black or African American 9.1%

Other race 1.8%

Asian 1.6%

Group	Count	%
White	4,051	47.7%
Two or more races	1,797	21.1%
Hispanic or Latino	1,584	18.6%
Black or African American	772	9.1%
Other race	156	1.8%
Asian	137	1.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	14.3%	29.6%	39.5%
$50k – $100k	18.5%	32.2%	30.1%
$100k – $200k	44.7%	26.6%	22.6%
Over $200k	22.5%	11.6%	7.8%

Under $10k 5.8%

$10k–$15k 0.8%

$25k–$35k 2.4%

$35k–$50k 5.5%

$50k–$75k 7.4%

$75k–$100k 14.7%

$100k–$150k 20.4%

$150k–$200k 15.3%

$200k+ 27.7%

Range	% of households
Under $10k	5.8%
$10k–$15k	0.8%
$25k–$35k	2.4%
$35k–$50k	5.5%
$50k–$75k	7.4%
$75k–$100k	14.7%
$100k–$150k	20.4%
$150k–$200k	15.3%
$200k+	27.7%
Median income	$132,024

Housing

Home values

Under $50k 5.2%

$50k–$100k 0.7%

$100k–$150k 0.7%

$150k–$200k 0.6%

$200k–$300k 22.2%

$300k–$500k 25.8%

$500k–$1M 37.7%

$1M+ 6.9%

Housing overview

Metric	Value
Median home value	$474,100
Median rent / month	$2,226
Owner occupied	93.2%
Renter occupied	6.8%
Vacant	5.4%
Single-family detached	93.6%
Large apartment buildings	3.2%
Mobile homes	3.2%
Median rooms	7.2
Avg household size (owned)	2.65

Year built

Era	%
2020 or later	0.0%
2010–2019	20.0%
2000–2009	31.3%
1990–1999	24.7%
1980–1989	11.4%
1970–1979	5.5%
1960–1969	1.5%
1950–1959	1.8%
1940–1949	0.0%
1939 or earlier	3.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	3.7%
3 bedrooms	40.3%
4 bedrooms	44.3%
5+ bedrooms	11.7%

Vehicles per household

Vehicles	% of households
No vehicle	1.5%
1 vehicle	19.2%
2 vehicles	46.6%
3 or more	32.7%

Heating fuel

Fuel type	%
Utility gas	30.9%
Electricity	64.7%
Propane / LP gas	3.5%
Solar	0.8%

Households & families

Household type	Count	%
Married-couple family	1,825	70.4%
Cohabiting couple	68	2.6%
Male householder, no spouse	352	13.6%
Female householder, no spouse	349	13.5%
Households with children under 18	711	27.4%
Households with seniors (65+)	876	33.8%
Average household size	2.65

Marital status

Status	Male	Female
Never married	27.1%	14.9%
Married	61.4%	71.3%
Separated	2.2%	0.0%
Widowed	4.7%	5.1%
Divorced	4.6%	8.6%

Education

Less than 9th grade 2.1%

Some HS, no diploma 1.4%

HS graduate 16.1%

Some college, no degree 16.3%

Associate's degree 6.2%

Bachelor's degree 31.6%

Graduate / professional 26.3%

Metric	%
HS diploma or higher	96.5%
Bachelor's or higher	57.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	91	5.8%
Kindergarten	27	1.7%
Elementary school	624	39.6%
High school	358	22.7%
College / grad school	476	30.2%

Employment

Industry of employment

Education & healthcare 21.2%

Finance & real estate 17.2%

Retail trade 13.1%

Professional & management 10.6%

Construction 9.1%

Manufacturing 7.9%

Public administration 7.0%

Transportation & utilities 4.7%

Arts, food & hospitality 3.9%

Wholesale trade 3.4%

Other services 1.4%

Agriculture & mining 0.4%

Information 0.1%

Occupation

Category	%
Management, business & arts	53.5%
Service	8.3%
Sales & office	23.1%
Natural resources & construction	4.7%
Production & transportation	10.4%

Employment type

Type	%
Private sector	80.7%
Government	15.0%
Self-employed	4.0%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	74.0%
Carpool	8.2%
Public transit	0.0%
Walk	0.5%
Work from home	15.8%
Other means	1.4%
Avg commute (minutes)	32.0

Poverty

All people 3.3%

Under 18 years 0.0%

18 and over 4.0%

Married-couple families 1.1%

Female-led households 8.9%

Income support

Source	% of households
Social Security	34.3%
Retirement income	33.6%
Supplemental Security	2.7%
Cash public assistance	0.0%
Food stamps / SNAP	1.9%

Health indicators

Condition	%
Obesity	32.9%
High blood pressure	32.8%
High cholesterol	37.9%
Diabetes	10.2%
Heart disease	5.6%
Stroke	2.3%
Asthma	8.1%
Arthritis	22.1%
Kidney disease	2.5%
Pulmonary disease	4.7%
Cancer	7.1%

Behavior / access	%
Smoking	11.1%
Binge drinking	17.2%
No physical activity	17.6%
Less than 7 hrs sleep	29.5%
Depression	18.5%
Fair or poor health	11.3%
Poor mental health	11.9%
Poor physical health	8.4%
No health insurance	16.6%
Visited doctor (checkup)	73.2%
Visited dentist	69.5%
Cholesterol screening	93.4%
Teeth loss	6.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	978	17.9%

Disability	%
Any disability	12.2%
Under 18	4.9%
18–64 years	7.4%
65 and over	35.0%

Health insurance coverage

Type	%
Private insurance	79.6%
Public insurance	33.3%
No insurance	7.9%
Uninsured under 19	3.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,568	95.0%
Spanish	202	3.1%
Other Indo-European	127	1.9%
Asian & Pacific Islander	15	0.2%
Other languages	60	0.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,459	93.4%
Born in same state	6,306	91.2%
Born in different state	3,786	54.8%
Foreign born	153	2.2%
Naturalized citizen	454	6.6%
Not a US citizen	412	90.7%

Ancestry

Ancestry	Count	%
French	591	8.5%
Italian	441	6.4%
Arab	249	3.6%
Polish	107	1.5%

Ancestry	Count	%
English	51	0.7%
German	19	0.3%
Norwegian	18	0.3%

Technology access

Metric	% of households
Computer access	37.5%
Internet access	97.7%

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

Frequently asked questions about ZIP code 78266

What city is ZIP code 78266 in?

ZIP code 78266 is primarily assigned to San Antonio, Texas.

What county is ZIP code 78266 in?

ZIP code 78266 falls within Comal County, Texas.

Is ZIP code 78266 mostly owner-occupied?

93% of occupied units in ZIP code 78266 are owner-occupied, well above the national average.

How educated is the population of ZIP code 78266?

58% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 78266 have a large veteran population?

18% of civilians in ZIP code 78266 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 78266?

The median household income in ZIP code 78266 is $132,024, above the national median of ~$75,000.

What timezone is ZIP code 78266 in?

ZIP code 78266 observes the CST timezone.