Spring Branch is a city in Comal County, Texas, home to about 243 people across 2.0 square miles. It has no ZIP code of its own: it’s part of 78070.
Homes sold for a median of $221 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Canyon Lake; part is in Spring Branch
Each card is that ZIP code’s whole market, including any part outside Spring Branch. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Spring Branch’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Spring Branch well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | San Antonio International Airport (SAT)27 miles away |
|---|---|
| Nearest city of 250,000+ | San Antonio, TX33 miles away |
Straight-line distances from the center of Spring Branch; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
It’s the 1508th largest of 1,778 towns in Texas by population.
Comal County grew from 7,008 residents in 1900 to 161,501 in 2020.
Comal County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 96°F in summer, and winter lows average 40°F. About 37.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Canyon Dam, TX weather station (12 miles away).
65,657 jobs at 4,951 businesses in Comal County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
130 doctors and other health care providers list an office in Spring Branch.
Nearest hospitals
Providers with an office here
| Primary care doctors | 10 |
|---|---|
| Specialist doctors | 3 |
| Dentists | 18 |
| Nurse practitioners and physician assistants | 34 |
| Mental health providers | 37 |
| Physical and occupational therapists | 18 |
| Optometrists | 4 |
| Chiropractors | 6 |
| Pharmacies | 8 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Public schools here are run by Comal ISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Arlon R Seay ElSpring Branch | Pre-K–5 | 623 | Public | 9.5 mi |
| Bill Brown ElSpring Branch | Pre-K–5 | 799 | Public | 9.0 mi |
| Rebecca Creek ElSpring Branch | Pre-K–5 | 578 | Public | 4.9 mi |
| Smithson Valley MiddleSpring Branch | 6–8 | 880 | Public | 7.3 mi |
| Spring Branch MiddleSpring Branch | 6–8 | 604 | Public | 9.4 mi |
| Smithson Valley H SSpring Branch | 9–12 | 2,098 | Public | 8.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Canyon Lake and Bulverde.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.