South Mountain is a town in Coryell County, Texas, home to about 328 people across 1.6 square miles. It has no ZIP code of its own: it’s part of 76528.
Homes sold for a median of $151 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Gatesville; part is in South Mountain
Each card is that ZIP code’s whole market, including any part outside South Mountain. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up South Mountain’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Austin Bergstrom International Airport (AUS)85 miles away |
|---|---|
| Closer regional airport | Killeen Regional Airport / Robert Gray Army Airfield (GRK)24 miles away |
| Nearest city of 250,000+ | Austin, TX77 miles away |
| Nearest city of 1 million+ | Dallas, TX114 miles away |
Straight-line distances from the center of South 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.
South Mountain had 411 residents in the 2020 census, up 0% since 2000.
It’s the 1413th largest of 1,778 towns in Texas by population.
Coryell County grew from 21,308 residents in 1900 to 83,093 in 2020.
Coryell 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 36°F. About 36.9 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Gatesville, TX weather station (8 miles away).
9,657 jobs at 808 businesses in Coryell County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
96 doctors and other health care providers list an office in South Mountain.
Nearest hospitals
Providers with an office here
| Primary care doctors | 15 |
|---|---|
| Specialist doctors | 20 |
| Dentists | 10 |
| Nurse practitioners and physician assistants | 27 |
| Mental health providers | 19 |
| Physical and occupational therapists | 3 |
| Optometrists | 1 |
| Chiropractors | 1 |
| Pharmacies | 4 |
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 Gatesville ISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Gatesville PriGatesville | Pre-K–K | 287 | Public | 6.6 mi |
| Gatesville ElGatesville | 1–3 | 606 | Public | 6.6 mi |
| Gatesville IntGatesville | 4–6 | 599 | Public | 6.7 mi |
| Gatesville J HGatesville | 7–8 | 394 | Public | 6.5 mi |
| Gatesville H SGatesville | 9–12 | 782 | Public | 6.5 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 Gatesville, Flat and Mound.
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.