Home values, rents and more in ZIP code 78009 (Castroville, TX)
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
Open 78009 in ProMap- Under $240k
- $240k–$260k
- $260k–$290k
- $290k–$330k
- $330k+
- No data
How 78009 compares
The typical home in ZIP code 78009 (Castroville, TX) is worth about $458,000, according to the Zillow Home Value Index for September 2026. Home values in 78009 are 1.7 times the typical value in the San Antonio metro area ($274,000) and 25% above the U.S. typical value ($366,000).
Over the past year, home values in 78009 fell 1.6%, compared with −1.9% in the San Antonio metro area and +1.2% nationally.
The median household income is $103,125, against $76,213 in the San Antonio metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 9,151 people live in 78009 (American Community Survey 2020–24).
78009 has the 20th-highest typical home value of the 104 ZIP codes in the San Antonio metro area and the 166th-highest of 1,512 in Texas with Zillow figures.
Part of: Castroville, TX · Medina County, TX · San Antonio metro area · Texas
More for 78009 in ProMap Plus
These measures are on the map for subscribers. Open ProMap to see them for 78009 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.