78070 ZIP Code — Spring Branch, TX

Comal County, Texas

ZIP code 78070 is located in Spring Branch, Texas, within Comal County. It covers approximately 133.32 square miles and serves a population of 18,529 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 830.

About ZIP code 78070

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 $432,400. Owner-occupancy is high at 92%, well above the national average.

The gap between median ($99,219) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average. 35% 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. An above-average commute of 41 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 38% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

Overall, ZIP code 78070 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

18,529

population

133.32

sq mi land

Standard

ZIP type

Central (CT)

timezone

78070 ZIP code map

Cities in ZIP code 78070

Below are the cities the US Postal Service accepts for ZIP code 78070. Using any city not on this list may result in mail delivery delays.

City	Status
Spring Branch	Acceptable
Spring Branch	Preferred

Nearby ZIP codes

78027 Kendalia (6.9 mi) 78133 Canyon Lake (10.3 mi) 78623 Fischer (10.7 mi) 78606 Blanco (13.5 mi) 78260 San Antonio (14.3 mi) 78261 San Antonio (14.5 mi) 78132 New Braunfels (17.2 mi) 78258 San Antonio (17.9 mi) 78266 San Antonio (18 mi) 78006 Boerne (18.6 mi) 78257 San Antonio (18.7 mi) 78259 San Antonio (18.9 mi)

Demographics updated 06/2026

Population
Total population	18,529
Population density	139 / sq mi
State FIPS	48
County FIPS	091

Geography
Land area	133.32 sq mi
Water area	1.40 sq mi
Latitude	29.9042
Longitude	-98.4089
Timezone	Central (CT)
Area code	830

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	22.9%	29.6%	39.5%
$50k – $100k	33.9%	32.2%	30.1%
$100k – $200k	29.4%	26.6%	22.6%
Over $200k	13.8%	11.6%	7.8%

Demographics & statistics

18,529

Population

139

People per sq mi

47.9

Median age

$99,219

Median household income

$50,898

Per capita income

$432,400

Median home value

$1,250

Median monthly rent

91.7%

Home ownership

7.3%

Poverty rate

2.6%

Unemployment

7,217

Housing units

37.7%

Bachelor's or higher

Age distribution

Male Female

314

Under 5

300

531

5–9

506

671

10–14

640

669

15–19

639

348

20–24

332

724

25–34

691

1,160

35–44

1,106

1,615

45–54

1,541

739

55–59

706

855

60–64

815

1,278

65–74

1,220

515

75–84

491

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	3,888	21.0%
18 and over	14,641	79.0%
65 and over	3,627	19.6%
Median age	47.9 years

Race & ethnicity

White 72.6%

Hispanic or Latino 10.5%

Two or more races 9.8%

Other race 3.8%

Black or African American 2.4%

Asian 0.6%

American Indian / Alaska Native 0.2%

Group	Count	%
White	15,046	72.6%
Hispanic or Latino	2,182	10.5%
Two or more races	2,031	9.8%
Other race	779	3.8%
Black or African American	506	2.4%
Asian	125	0.6%
American Indian / Alaska Native	42	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	22.9%	29.6%	39.5%
$50k – $100k	33.9%	32.2%	30.1%
$100k – $200k	29.4%	26.6%	22.6%
Over $200k	13.8%	11.6%	7.8%

Under $10k 3.0%

$10k–$15k 2.0%

$15k–$25k 2.7%

$25k–$35k 6.2%

$35k–$50k 8.6%

$50k–$75k 13.5%

$75k–$100k 14.2%

$100k–$150k 16.4%

$150k–$200k 11.3%

$200k+ 21.9%

Range	% of households
Under $10k	3.0%
$10k–$15k	2.0%
$15k–$25k	2.7%
$25k–$35k	6.2%
$35k–$50k	8.6%
$50k–$75k	13.5%
$75k–$100k	14.2%
$100k–$150k	16.4%
$150k–$200k	11.3%
$200k+	21.9%
Median income	$99,219

Housing

Home values

Under $50k 4.6%

$50k–$100k 5.1%

$100k–$150k 7.6%

$150k–$200k 4.0%

$200k–$300k 11.9%

$300k–$500k 24.1%

$500k–$1M 33.6%

$1M+ 9.1%

Housing overview

Metric	Value
Median home value	$432,400
Median rent / month	$1,250
Owner occupied	91.7%
Renter occupied	8.3%
Vacant	9.4%
Single-family detached	79.8%
Large apartment buildings	1.4%
Mobile homes	15.9%
Median rooms	6.6
Avg household size (owned)	2.69

Year built

Era	%
2020 or later	1.7%
2010–2019	29.2%
2000–2009	34.4%
1990–1999	15.0%
1980–1989	11.2%
1970–1979	2.8%
1960–1969	3.7%
1950–1959	0.0%
1940–1949	0.8%
1939 or earlier	1.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	3.4%
2 bedrooms	12.8%
3 bedrooms	47.5%
4 bedrooms	25.6%
5+ bedrooms	10.0%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	14.4%
2 vehicles	50.2%
3 or more	33.4%

Heating fuel

Fuel type	%
Utility gas	4.5%
Electricity	75.1%
Propane / LP gas	18.3%
Wood	1.1%
Solar	0.1%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	5,129	72.5%
Cohabiting couple	296	4.2%
Male householder, no spouse	762	10.8%
Female householder, no spouse	887	12.5%
Households with children under 18	2,095	29.6%
Households with seniors (65+)	2,219	31.4%
Average household size	2.62

Marital status

Status	Male	Female
Never married	24.2%	17.1%
Married	67.4%	67.7%
Separated	0.3%	0.6%
Widowed	1.1%	5.2%
Divorced	7.1%	9.5%

Education

Less than 9th grade 2.1%

Some HS, no diploma 4.9%

HS graduate 24.6%

Some college, no degree 24.2%

Associate's degree 6.6%

Bachelor's degree 24.4%

Graduate / professional 13.2%

Metric	%
HS diploma or higher	93.1%
Bachelor's or higher	37.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	204	5.2%
Kindergarten	256	6.5%
Elementary school	1,775	45.0%
High school	1,186	30.1%
College / grad school	523	13.3%

Employment

Industry of employment

Education & healthcare 19.4%

Professional & management 16.2%

Retail trade 12.8%

Construction 12.7%

Arts, food & hospitality 9.1%

Transportation & utilities 6.0%

Finance & real estate 6.0%

Other services 5.7%

Manufacturing 4.7%

Public administration 2.9%

Agriculture & mining 2.5%

Wholesale trade 1.3%

Information 0.6%

Occupation

Category	%
Management, business & arts	47.4%
Service	15.2%
Sales & office	19.6%
Natural resources & construction	10.7%
Production & transportation	7.1%

Employment type

Type	%
Private sector	82.9%
Government	8.8%
Self-employed	8.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.3%
Carpool	4.7%
Public transit	0.0%
Walk	0.6%
Work from home	17.1%
Other means	1.2%
Avg commute (minutes)	40.6

Poverty

All people 7.3%

Under 18 years 11.9%

18 and over 6.0%

Married-couple families 3.7%

Female-led households 15.6%

Income support

Source	% of households
Social Security	35.2%
Retirement income	32.5%
Supplemental Security	4.9%
Cash public assistance	1.0%
Food stamps / SNAP	5.3%

Health indicators

Condition	%
Obesity	35.1%
High blood pressure	32.8%
High cholesterol	36.3%
Diabetes	10.8%
Heart disease	6.1%
Stroke	2.6%
Asthma	8.6%
Arthritis	23.3%
Kidney disease	2.7%
Pulmonary disease	6.1%
Cancer	6.6%

Behavior / access	%
Smoking	15.3%
Binge drinking	18.6%
No physical activity	20.8%
Less than 7 hrs sleep	30.7%
Depression	20.8%
Fair or poor health	13.7%
Poor mental health	13.8%
Poor physical health	10.1%
No health insurance	19.0%
Visited doctor (checkup)	71.2%
Visited dentist	64.3%
Cholesterol screening	91.9%
Teeth loss	9.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,874	12.8%

Disability	%
Any disability	14.2%
Under 18	2.8%
18–64 years	14.9%
65 and over	24.2%

Health insurance coverage

Type	%
Private insurance	72.2%
Public insurance	31.0%
No insurance	11.5%
Uninsured under 19	7.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,915	96.7%
Spanish	495	2.8%
Other Indo-European	478	2.7%
Asian & Pacific Islander	14	0.1%
Other languages	3	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	17,298	93.4%
Born in same state	16,954	91.5%
Born in different state	10,433	56.3%
Foreign born	344	1.9%
Naturalized citizen	1,231	6.6%
Not a US citizen	741	60.2%

Ancestry

Ancestry	Count	%
French	3,524	19%
Italian	1,898	10.2%
Arab	1,310	7.1%
Polish	154	0.8%
English	69	0.4%

Ancestry	Count	%
Dutch	60	0.3%
German	48	0.3%
Norwegian	48	0.3%
Irish	24	0.1%

Technology access

Metric	% of households
Computer access	38.2%
Internet access	97.8%

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

Frequently asked questions about ZIP code 78070

What city is ZIP code 78070 in?

ZIP code 78070 is primarily assigned to Spring Branch, Texas.

What county is ZIP code 78070 in?

ZIP code 78070 falls within Comal County, Texas.

Is ZIP code 78070 mostly owner-occupied?

92% of occupied units in ZIP code 78070 are owner-occupied, well above the national average.

Does ZIP code 78070 have a large veteran population?

13% of civilians in ZIP code 78070 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 78070?

The median home value in ZIP code 78070 is $432,400.

Does ZIP code 78070 have a large retiree population?

35% of households in ZIP code 78070 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 78070 in?

ZIP code 78070 observes the CST timezone.