Home values, rents and more in ZIP code 78039 (La Coste, TX)
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
Open 78039 in ProMap- Under $240k
- $240k–$250k
- $250k–$280k
- $280k–$320k
- $320k+
- No data
How 78039 compares
The typical home in ZIP code 78039 (La Coste, TX) is worth about $231,000, according to the Zillow Home Value Index for September 2026. Home values in 78039 are 15% below the typical value in the San Antonio metro area ($274,000) and 37% below the U.S. typical value ($366,000).
Over the past year, home values in 78039 fell 0.2%, compared with −1.9% in the San Antonio metro area and +1.2% nationally.
The median household income is $96,250, against $76,213 in the San Antonio metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 1,862 people live in 78039 (American Community Survey 2020–24).
78039 has the 33rd-lowest typical home value of the 104 ZIP codes in the San Antonio metro area and the 611th-lowest of 1,512 in Texas with Zillow figures.
Part of: La Coste, TX · Medina County, TX · San Antonio metro area · Texas
More for 78039 in ProMap Plus
These measures are on the map for subscribers. Open ProMap to see them for 78039 and every other place.
- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- Zillow 12-month price forecast
- Crime rates
- School test scores
- Homeowners insurance premiums
- Commute time to downtown
- Flood, wildfire and natural hazard risk
- Property-tax rate
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby ZIP codes
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.