Martindale is a city in Caldwell County, Texas, home to about 1,072 people across 2.1 square miles. Its ZIP code is 78655.
Homes sold for a median of $264 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Martindale; also Staples
Each card is that ZIP code’s whole market, including any part outside Martindale. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Martindale’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)27 miles away |
|---|---|
| Nearest city of 250,000+ | Austin, TX32 miles away |
| Nearest city of 1 million+ | San Antonio, TX48 miles away |
Straight-line distances from the center of Martindale; 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.
Martindale had 1,253 residents in the 2020 census, up 31% since 2000.
It’s the 986th largest of 1,778 towns in Texas by population.
Caldwell County grew from 21,765 residents in 1900 to 45,883 in 2020.
Caldwell County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 97°F in summer, and winter lows average 39°F. About 36.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, San Marcos, TX weather station (7 miles away).
6,760 jobs at 733 businesses in Caldwell County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
4 doctors and other health care providers list an office in Martindale.
Nearest hospitals
Providers with an office here
| Dentists | 1 |
|---|---|
| Mental health providers | 3 |
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
Museums
Counts are within about 1 mile 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.
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Shares ZIP codes with Staples.
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.