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zipcodes.pro — ZIP/78009

78009

ZIP 78009 is Castroville, Texas, in Medina County; area code 830; Central time.

Type
Standard
Time zone
America/Chicago
County
Medina
Population
9,151
Coordinates
29.3676, -98.8898
☼ Live from 78009 — Castroville, TX

Weather right now

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NEXRAD radar
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Local time: —

Where 78009 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 78009
  • 🔢 Type 78009 into a pocket calculator and turn it upside down: GOOBL — not quite a word, sorry.
  • ➕ As a number, 78,009 = 3 × 26003. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011000010111001
  • 🏠 Its numerical neighbours: 78008 (Campbellton, TX, 58 mi away) and 78010 (Center Point, TX, 39 mi away).
  • 🔄 Backwards, 78009 becomes 90087 — and that is a real ZIP code: Los Angeles, CA, 1,181 miles away.
  • 👥 23 other ZIP codes are made of exactly the same digits (00978, 00987, 07890, 07980, 08079, 08097, …). The farthest-flung twin is 09078 in APO AE, a military post office, 5,285 miles away.
  • 🧭 Farther south than 95% of all ZIP codes, and farther west than 78%.
  • 🎯723 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78009 and you would come out at 29.37°S, 81.11°E — 1,495 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 02m of daylight. Shortest: 10h 16m.
  • 📏 At 70.5 square miles of land, 78009 is bigger than 69% of ZIP codes — room for about 54 Central Parks.
🌙 The sky over 78009 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population9,151This ZIP9,151
Households2,980This ZIP2,980
Housing units3,396This ZIP3,396
Median age43.1This ZIP43.1Texas35.6US 38.9
Median household income$103,125This ZIP$103,125Texas$78,476US $80,734
Median home value$368,700This ZIP$368,700Texas$283,800US $332,700
Median gross rent$1,250This ZIP$1,250Texas$1,403US $1,413
Bachelor's degree or higher29.9%This ZIP29.9%
Mean commute29.8 minThis ZIP29.8 min
Population density129.8 / sq miThis ZIP129.8 / sq mi

Business and tax activity

Business establishments204This ZIP204
Employees2,074This ZIP2,074
Annual payroll$93,114,000This ZIP$93,114,000
Tax returns filed4,620This ZIP4,620
Total adjusted gross income$410,423,000This ZIP$410,423,000

Land area

Land area70.47 sq miThis ZIP70.47 sq mi
Water area0.33 sq miThis ZIP0.33 sq mi

Other place names in 78009

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 78009

ZIPCityDistance
78039 La Coste, TX 5.1 mi
78066 Rio Medina, TX 8.7 mi
78245 San Antonio, TX 9.1 mi
78253 San Antonio, TX 9.4 mi
78002 Atascosa, TX 10.8 mi
78252 San Antonio, TX 12.2 mi
78054 Macdona, TX 12.3 mi
78056 Mico, TX 12.4 mi
78059 Natalia, TX 12.7 mi
78052 Lytle, TX 12.9 mi

Find every ZIP code within 10 miles of 78009 →

Questions about this ZIP code

Where is ZIP code 78009?

78009 is in Castroville, Texas, in Medina County, part of the San Antonio-New Braunfels, TX metropolitan area. Its published point location is 29.3676, -98.8898.

What county is 78009 in?

78009 lies in Medina County.

What area code is 78009?

Castroville uses area code 830, from NANPA's telephone records.

What time zone is 78009 in?

78009 uses America/Chicago.

How many people live in 78009?

About 9,151 people live in ZIP code 78009, in 2,980 households, at 129.8 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 78009?

$103,125 a year, against $78,476 across Texas.

What ZIP codes are near 78009?

The closest are 78039 (5.1 mi), 78066 (8.7 mi), 78245 (9.1 mi), 78253 (9.4 mi) and 78002 (10.8 mi).

Is 78009 a PO Box ZIP code?

78009 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78009 ZIP Code — Castroville, Texas (Medina County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78009

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