Castroville, TX ZIP codes

1 ZIP/ZCTA intersecting this Census place in Medina County.

ACS 2023 population

3,027

Median household income

$76,524

Median home value

$266,000

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Castroville (GEOID 4813312). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 9,494 (1 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Castroville, TX

Census place boundary and intersecting ZIP Code Tabulation Areas for Castroville, TX — Census place boundary for Castroville, TX. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Castroville

Population overlap

Share of each ZIP/ZCTA’s population located within Castroville, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

7800933.9%
USPS primary city

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Castroville

ZIP	City	County	Population	Income
78009	Castroville	Medina County	9,494	$102,724

USPS associates these ZIPs with Castroville

These codes list Castroville as a primary or acceptable city. They are not used for the ACS headline.

ZIP	City	County	Population	Income
78056	Mico	Medina County	2,431	$122,026