Cross Mountain is a community in Bexar County, Texas, home to about 3,752 people across 6.1 square miles. It has no ZIP code of its own: it’s part of 78255 and 78256.
Homes sold for a median of $227 per square foot across 2 ZIP codes in the three months ending August 2026, and 0 of 2 were seller’s markets.
Mostly San Antonio; part is in Cross Mountain
Mostly San Antonio; part is in Cross Mountain
Each card is that ZIP code’s whole market, including any part outside Cross Mountain. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Cross Mountain’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Cross Mountain well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | San Antonio International Airport (SAT)15 miles away |
|---|---|
| Nearest city of 250,000+ | San Antonio, TX17 miles away |
Straight-line distances from the center of Cross Mountain; 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.
Cross Mountain had 3,944 residents in the 2020 census, up 159% since 2000.
It’s the 506th largest of 1,778 towns in Texas by population.
Bexar County grew from 69,422 residents in 1900 to 2,009,324 in 2020.
Bexar County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 94°F in summer, and winter lows average 37°F. About 37.5 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Boerne, TX weather station (10 miles away).
821,509 jobs at 39,726 businesses in Bexar County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
169 doctors and other health care providers list an office in Cross Mountain’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 9 |
|---|---|
| Specialist doctors | 34 |
| Dentists | 18 |
| Nurse practitioners and physician assistants | 25 |
| Mental health providers | 48 |
| Physical and occupational therapists | 15 |
| Optometrists | 20 |
| Pharmacies | 1 |
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.
Grocery stores
Pharmacies
Theaters and performance venues
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Northside ISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Aue ElSan Antonio | Pre-K–5 | 530 | Public | 2.0 mi |
| Ellison ElSan Antonio | Pre-K–5 | 780 | Public | 3.7 mi |
| May ElSan Antonio | Pre-K–5 | 426 | Public | 5.7 mi |
| Garcia MiddleSan Antonio | 6–8 | 1,360 | Public | 5.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Primrose School at Sonoma RanchSan Antonio | Pre-K–K | 11 | Nonsectarian | 5.7 mi |
| The Atonement Catholic AcademySan Antonio | Pre-K–12 | 306 | Roman Catholic | 5.5 mi |
| Lutheran High School of San AntonioSan Antonio | 9–12 | 137 | Lutheran Church–Missouri Synod | 4.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
Buying or selling around Cross Mountain? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Shares ZIP codes with San Antonio and Scenic Oaks.
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.