PlainZIP

Castroville, TX · standard

ZIP Code 78009

Medina County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

7,255
39/sq mi
$103,125
Median income
$368,700
Median home value
29.9%
Bachelor's or higher

The verdict

Castroville pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 17%
household income, US ZIPs
Top 24%
home value, US ZIPs
39
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78009 against every reporting US ZIP.

ZIP code 78009 is a mid-sized community (a standard USPS delivery area) in Castroville, Medina County, Texas, home to 7,255 residents across 185.1 square miles, a density of 39 people per square mile, in the Chicago time zone.

ZIP 78009 lands in the middle-income range, with a median household income of $103,125 (36% above the Texas average), while per-capita income is $41,228. 4.2% of residents live below the poverty line, and the unemployment rate reads 3.1%. Median home value sits at $368,700 (49% above the state average), median rent at $1,250 a month, and owner-occupancy at 86.0%.

Educational attainment sits below the national norm: 29.9% of adults hold a bachelor's degree or higher, the median age is 43.1, and the average commute is 30 minutes. A geography-based comparison follows: 4 ZIP codes within about 10 miles of 78009, plus 6 more within Medina County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 78009

Top 5 sectors by establishment count in Castroville, TX

Which industries have the most business establishments in ZIP 78009.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 78009, Castroville, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

7,255

Population

185.1

Area (sq mi)

39

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 78009?

43.1

Median Age

51.8%

Male

48.2%

Female

10.2%

Foreign-Born

White 50.0%
African American 2.9%
Asian 2.6%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 35.4%
Hispanic or Latino 51.3%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$103,125

Median Household Income

+36% vs state

$41,228

Per Capita Income

4.2%

Poverty Rate

3.1%

Unemployment Rate

29.8 min

Mean Commute Time

How ZIP 78009 ranks nationally

Castroville, TX household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$103,125 Top 17% higher than 83% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 50.0%
Bachelor's Degree or Higher 29.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

3,396

Total Housing Units

2,980

Occupied Units

416

Vacant Units

3.04

Avg Household Size

Occupancy Type

Owner 86.0%
Renter 14.0%

$368,700

Median Home Value

+49% vs state

$1,250

Median Rent

1998

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+5.9%

YoY Change (2024)

305

HPI Index (2000 = 100)

+205%

Total Change Since 2000

Home values in ZIP 78009 have increased 5.9% over the past year (2024). Since 2000, this ZIP has seen +205% cumulative appreciation.

Year Annual Change HPI Index
2020 +9.5% 207
2021 +9.7% 227
2022 +12.4% 255
2023 +12.7% 288
2024 +5.9% 305

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 204 business establishments in ZIP 78009, employing approximately 2,074 people with a combined annual payroll of $93,114,000.

204

Businesses

2,074

Employees

$93.1M

Annual Payroll

12

Industry Sectors

Industry Establishments % of Total
Construction 32 15.7%
Accommodation and food services 29 14.2%
Retail trade 28 13.7%
Other services (except public administration) 26 12.8%
Health care and social assistance 22 10.8%
Professional, scientific, and technical services 21 10.3%
Finance and insurance 11 5.4%
Real estate and rental and leasing 9 4.4%
Transportation and warehousing 7 3.4%
Manufacturing 4 2.0%
Wholesale trade 4 2.0%
Administrative and support and waste management and remediation services 3 1.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 78009 vs 78039 →

ZIP 78009 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 78009 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 78009 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 78009 ranks #2 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
78039 La Coste, TX 1,657 4.6 mi
78066 Rio Medina, TX 591 8.5 mi
78253 San Antonio, TX 29,007 9.6 mi
78002 Atascosa, TX 8,255 10.3 mi

More ZIP Codes in Medina County

78861 standard
Hondo, TX
Pop: 13,701
78016 standard
Devine, TX
Pop: 9,630
78059 standard
Natalia, TX
Pop: 5,387
78056 standard
Mico, TX
Pop: 1,917
78039 standard
La Coste, TX
Pop: 1,657
78850 standard
D Hanis, TX
Pop: 1,145

Related Areas

Medina County Castroville, TX Texas

Frequently Asked Questions

What county is ZIP code 78009 in? ▼
ZIP code 78009 (Castroville) is located in Medina County, Texas. Medina County contains multiple ZIP codes, see the full list at /counties/medina-tx.
What is the population of ZIP code 78009? ▼
ZIP code 78009 in Castroville, TX has a population of 7,255 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78009? ▼
The median household income in ZIP 78009 is $103,125, which is 35% above the national average of $76,288.
What is the average home value in ZIP 78009? ▼
The median home value in ZIP 78009 is $368,700, which is 33% above the national average of $278,155.
What is the demographic makeup of ZIP 78009? ▼
The largest racial group in ZIP 78009 is White at 50.0%. Hispanic or Latino residents make up 51.3% of the population.
How many businesses are in ZIP code 78009? ▼
ZIP code 78009 has 204 business establishments employing approximately 2,074 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 78009? ▼
The top industries by establishment count in ZIP 78009 are: Construction (32), Accommodation and food services (29), Retail trade (28). There are 12 industry sectors represented in total.
How have home values changed in ZIP code 78009? ▼
According to the FHFA House Price Index, home values in ZIP 78009 increased by 5.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 205%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 78009? ▼
In ZIP code 78009, 50.0% of residents aged 25+ have a high school diploma or higher, and 29.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 78009? ▼
The mean commute time for workers in ZIP code 78009 is 29.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 78009? ▼
In ZIP code 78009, approximately 86.0% of occupied housing units are owner-occupied and 14.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78009? ▼
The poverty rate in ZIP code 78009 is 4.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.