78234 ZIP Code — Jbsa Ft Sam Houston, TX

Bexar County, Texas

ZIP code 78234 is located in Jbsa Ft Sam Houston, Texas, within Bexar County. It covers approximately 5.09 square miles and serves a population of 5,534 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 210.

About ZIP code 78234

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character.

Median household income is $85,903.

The dominant occupation class is sales and office, with arts, entertainment, and food service as the leading industry. The average commute of 13 minutes is near the national average. Remote work is prevalent — 22% of workers work from home.

Educational attainment is high — 50% 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 29% of civilians, above the national average of 7%.

Overall, ZIP code 78234 reflects a community defined by a strong veteran community and a high rate of remote workers.

5,534

population

5.09

sq mi land

Standard

ZIP type

Central (CT)

timezone

78234 ZIP code map

Cities in ZIP code 78234

Below are the cities the US Postal Service accepts for ZIP code 78234. Using any city not on this list may result in mail delivery delays.

City	Status
Jbsa Ft Sam Houston	Acceptable
Jbsa Ft Sam Houston	Acceptable
Jbsa Ft Sam Houston	Preferred

Nearby ZIP codes

78208 San Antonio (1.8 mi) 78209 San Antonio (1.9 mi) 78202 San Antonio (2.7 mi) 78212 San Antonio (2.7 mi) 78215 San Antonio (2.8 mi) 78218 San Antonio (3.4 mi) 78203 San Antonio (3.5 mi) 78205 San Antonio (3.8 mi) 78219 San Antonio (3.8 mi) 78243 San Antonio (4.1 mi) 78289 San Antonio (4.1 mi) 78288 San Antonio (4.1 mi)

Demographics updated 06/2026

Population
Total population	5,534
Population density	1,087 / sq mi
State FIPS	48
County FIPS	029

Geography
Land area	5.09 sq mi
Water area	0.01 sq mi
Latitude	29.4623
Longitude	-98.4414
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	27.8%	43.3%	39.5%
$50k – $100k	36.3%	31.4%	30.1%
$100k – $200k	28.3%	19.9%	22.6%
Over $200k	7.7%	5.4%	7.8%

Demographics & statistics

5,534

Population

1,087

People per sq mi

20.9

Median age

$85,903

Median household income

$24,161

Per capita income

Median home value

$2,110

Median monthly rent

0.2%

Home ownership

8.4%

Poverty rate

4.8%

Unemployment

165

Housing units

49.7%

Bachelor's or higher

Age distribution

Male Female

190

Under 5

180

265

5–9

250

265

10–14

251

600

15–19

568

475

20–24

449

486

25–34

460

365

35–44

346

155

45–54

147

55–59

60–64

65–74

← Male

Female →

Age summary

Group	Count	%
Under 18	1,620	29.3%
18 and over	3,914	70.7%
65 and over	29	0.5%
Median age	20.9 years

Race & ethnicity

White 59.7%

Black or African American 12.7%

Two or more races 9.6%

Hispanic or Latino 7.5%

Asian 5%

Other race 3.2%

Native Hawaiian / Pacific Islander 2%

American Indian / Alaska Native 0.4%

Group	Count	%
White	3,571	59.7%
Black or African American	757	12.7%
Two or more races	572	9.6%
Hispanic or Latino	450	7.5%
Asian	301	5%
Other race	189	3.2%
Native Hawaiian / Pacific Islander	121	2%
American Indian / Alaska Native	23	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.8%	43.3%	39.5%
$50k – $100k	36.3%	31.4%	30.1%
$100k – $200k	28.3%	19.9%	22.6%
Over $200k	7.7%	5.4%	7.8%

Under $10k 2.0%

$10k–$15k 0.4%

$15k–$25k 3.2%

$25k–$35k 5.8%

$35k–$50k 20.2%

$50k–$75k 14.2%

$75k–$100k 11.9%

$100k–$150k 24.1%

$150k–$200k 9.1%

$200k+ 9.2%

Range	% of households
Under $10k	2.0%
$10k–$15k	0.4%
$15k–$25k	3.2%
$25k–$35k	5.8%
$35k–$50k	20.2%
$50k–$75k	14.2%
$75k–$100k	11.9%
$100k–$150k	24.1%
$150k–$200k	9.1%
$200k+	9.2%
Median income	$85,903

Housing

Home values

$50k–$100k 100.0%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$2,110
Owner occupied	0.2%
Renter occupied	99.8%
Vacant	14.4%
Single-family detached	63.8%
Large apartment buildings	11.9%
Mobile homes	0.0%
Median rooms	6.2
Avg household size (owned)	5.50

Year built

Era	%
2020 or later	0.0%
2010–2019	14.1%
2000–2009	15.8%
1990–1999	17.1%
1980–1989	6.2%
1970–1979	6.3%
1960–1969	2.3%
1950–1959	4.0%
1940–1949	3.6%
1939 or earlier	30.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.4%
2 bedrooms	26.4%
3 bedrooms	37.3%
4 bedrooms	31.2%
5+ bedrooms	4.8%

Vehicles per household

Vehicles	% of households
No vehicle	0.5%
1 vehicle	27.6%
2 vehicles	52.8%
3 or more	19.0%

Heating fuel

Fuel type	%
Utility gas	37.5%
Electricity	59.2%
Propane / LP gas	1.1%
No fuel used	2.2%

Households & families

Household type	Count	%
Married-couple family	770	79.6%
Cohabiting couple	15	1.6%
Male householder, no spouse	92	9.5%
Female householder, no spouse	90	9.3%
Households with children under 18	721	74.6%
Households with seniors (65+)	32	3.3%
Average household size	3.69

Marital status

Status	Male	Female
Never married	57.7%	44.7%
Married	42.0%	49.1%
Separated	0.0%	0.0%
Widowed	0.0%	0.5%
Divorced	0.3%	5.8%

Education

Less than 9th grade 0.7%

Some HS, no diploma 0.4%

HS graduate 11.6%

Some college, no degree 29.5%

Associate's degree 8.1%

Bachelor's degree 32.0%

Graduate / professional 17.7%

Metric	%
HS diploma or higher	98.9%
Bachelor's or higher	49.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	80	4.0%
Kindergarten	158	7.9%
Elementary school	836	41.7%
High school	355	17.7%
College / grad school	574	28.7%

Employment

Industry of employment

Arts, food & hospitality 24.6%

Education & healthcare 23.7%

Public administration 13.0%

Retail trade 11.2%

Professional & management 7.5%

Manufacturing 7.0%

Construction 3.7%

Finance & real estate 3.6%

Transportation & utilities 2.3%

Agriculture & mining 1.6%

Information 0.8%

Wholesale trade 0.6%

Other services 0.5%

Occupation

Category	%
Management, business & arts	31.9%
Service	16.9%
Sales & office	33.9%
Natural resources & construction	4.9%
Production & transportation	12.5%

Employment type

Type	%
Private sector	62.6%
Government	27.2%
Self-employed	10.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	36.7%
Carpool	2.8%
Public transit	0.2%
Walk	37.2%
Work from home	21.7%
Other means	1.4%
Avg commute (minutes)	13.0

Poverty

All people 8.4%

Under 18 years 9.7%

18 and over 7.3%

Married-couple families 5.5%

Female-led households 6.8%

Income support

Source	% of households
Social Security	1.9%
Retirement income	6.3%
Supplemental Security	2.3%
Cash public assistance	0.0%
Food stamps / SNAP	1.7%

Health indicators

Condition	%
Obesity	30.1%
High blood pressure	16.2%
High cholesterol	15.7%
Diabetes	3.1%
Heart disease	1.4%
Stroke	0.8%
Asthma	8.8%
Arthritis	6.7%
Kidney disease	1.0%
Pulmonary disease	2.1%
Cancer	1.5%

Behavior / access	%
Smoking	12.8%
Binge drinking	27.3%
No physical activity	13.8%
Less than 7 hrs sleep	35.3%
Depression	22.8%
Fair or poor health	8.3%
Poor mental health	17.8%
Poor physical health	5.3%
No health insurance	22.3%
Visited doctor (checkup)	63.9%
Visited dentist	60.4%
Cholesterol screening	79.1%
Teeth loss	10.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	349	28.7%

Disability	%
Any disability	6.3%
Under 18	3.2%
18–64 years	9.2%
65 and over	72.4%

Health insurance coverage

Type	%
Private insurance	98.1%
Public insurance	8.4%
No insurance	0.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,164	93.3%
Spanish	187	3.6%
Other Indo-European	88	1.7%
Asian & Pacific Islander	83	1.6%
Other languages	15	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,015	90.6%
Born in same state	4,654	84.1%
Born in different state	522	9.4%
Foreign born	361	6.5%
Naturalized citizen	519	9.4%
Not a US citizen	327	63.0%

Ancestry

Ancestry	Count	%
Italian	533	9.6%
French	338	6.1%
Arab	149	2.7%
English	27	0.5%

Ancestry	Count	%
Dutch	20	0.4%
German	10	0.2%
Polish	7	0.1%

Technology access

Metric	% of households
Computer access	17.5%
Internet access	100.0%

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

Frequently asked questions about ZIP code 78234

What city is ZIP code 78234 in?

ZIP code 78234 is primarily assigned to Jbsa Ft Sam Houston, Texas.

What county is ZIP code 78234 in?

ZIP code 78234 falls within Bexar County, Texas.

Does ZIP code 78234 have a large veteran population?

29% of civilians in ZIP code 78234 are veterans, above the national average of ~7%.

How educated is the population of ZIP code 78234?

50% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the population of ZIP code 78234?

ZIP code 78234 has an estimated population of 5,534 residents, with a density of 1,088 people per square mile.

What is the median household income in ZIP code 78234?

The median household income in ZIP code 78234 is $85,903, above the national median of ~$75,000.

What timezone is ZIP code 78234 in?

ZIP code 78234 observes the CST timezone.