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zipcodes.pro — ZIP/78039

78039

ZIP 78039 is La Coste, Texas, mostly in Medina County; area code 830; Central time.

Type
Standard
Time zone
America/Chicago
County
Medina +1 more
Population
1,862
Coordinates
29.3121, -98.8348
☼ Live from 78039 — La Coste, TX

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Local time: —

Where 78039 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 78039
  • 🔢 Type 78039 into a pocket calculator and turn it upside down: GEOBL — not quite a word, sorry.
  • ➕ As a number, 78,039 = 3 × 3 × 13 × 23 × 29. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011000011010111
  • 🏠 Its numerical neighbours: 78029 (Kerrville, TX, 46 mi away) and 78040 (Laredo, TX, 131 mi away).
  • 🔄 Backwards, 78039 becomes 93087, which is not a ZIP code at all.
  • 👥 35 other ZIP codes are made of exactly the same digits (03897, 07839, 07938, 08739, 09738, 09837, …). The farthest-flung twin is 09837 in FPO AE, a military post office, 8,099 miles away.
  • 🧭 Farther south than 95% of all ZIP codes, and farther west than 78%.
  • 🎯727 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78039 and you would come out at 29.31°S, 81.17°E — 1,499 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 01m of daylight. Shortest: 10h 16m.
  • 📏 At 20.7 square miles of land, 78039 is bigger than 38% of ZIP codes — room for about 16 Central Parks.
🌙 The sky over 78039 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,862This ZIP1,862
Households727This ZIP727
Housing units768This ZIP768
Median age47.2This ZIP47.2Texas35.6US 38.9
Median household income$96,250This ZIP$96,250Texas$78,476US $80,734
Median home value$131,400This ZIP$131,400Texas$283,800US $332,700
Bachelor's degree or higher33.1%This ZIP33.1%
Mean commute29.2 minThis ZIP29.2 min
Population density89.7 / sq miThis ZIP89.7 / sq mi

Business and tax activity

Business establishments32This ZIP32
Employees202This ZIP202
Annual payroll$6,639,000This ZIP$6,639,000
Tax returns filed900This ZIP900
Total adjusted gross income$61,465,000This ZIP$61,465,000

Land area

Land area20.75 sq miThis ZIP20.75 sq mi
Water area0.11 sq miThis ZIP0.11 sq mi

Counties 78039 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Medina County 71.0%
Bexar County 29.0%

Other place names in 78039

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

ZIP codes near 78039

ZIPCityDistance
78009 Castroville, TX 5.1 mi
78002 Atascosa, TX 6.2 mi
78052 Lytle, TX 7.9 mi
78245 San Antonio, TX 7.9 mi
78059 Natalia, TX 8.5 mi
78054 Macdona, TX 8.7 mi
78252 San Antonio, TX 8.8 mi
78253 San Antonio, TX 11.3 mi
78016 Devine, TX 11.5 mi
78227 San Antonio, TX 12.9 mi

Find every ZIP code within 10 miles of 78039 →

Questions about this ZIP code

Where is ZIP code 78039?

78039 is in La Coste, Texas, in Medina County, part of the San Antonio-New Braunfels, TX metropolitan area. Its published point location is 29.3121, -98.8348.

What county is 78039 in?

78039 spans 2 counties: Medina County and Bexar County. Most of it falls in Medina County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 78039?

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

What time zone is 78039 in?

78039 uses America/Chicago.

How many people live in 78039?

About 1,862 people live in ZIP code 78039, in 727 households, at 89.7 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 78039?

$96,250 a year, against $78,476 across Texas.

What ZIP codes are near 78039?

The closest are 78009 (5.1 mi), 78002 (6.2 mi), 78052 (7.9 mi), 78245 (7.9 mi) and 78059 (8.5 mi).

Is 78039 a PO Box ZIP code?

78039 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78039 ZIP Code — La Coste, Texas (Medina County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78039

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