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zipcodes.pro — ZIP/78648

78648

ZIP 78648 is Luling, Texas, mostly in Caldwell County; area code 830; Central time.

Type
Standard
Time zone
America/Chicago
County
Caldwell +2 more
Population
7,863
Coordinates
29.6943, -97.6381
☼ Live from 78648 — Luling, TX

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Local time: —

Where 78648 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 78648
  • 🔢 Type 78648 into a pocket calculator and turn it upside down: BhgBL — not quite a word, sorry.
  • ➕ As a number, 78,648 = 2 × 2 × 2 × 3 × 29 × 113. Its digits add up to 33, a total 456 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001100111000
  • 🏠 Its numerical neighbours: 78646 (Leander, TX, 62 mi away) and 78650 (Mc Dade, TX, 49 mi away).
  • 🔄 Backwards, 78648 becomes 84687, which is not a ZIP code at all.
  • 👥 14 other ZIP codes are made of exactly the same digits (46788, 47868, 48768, 48867, 48876, 64788, …). The farthest-flung twin is 48768 in Vassar, MI, 1,222 miles away.
  • 🧭 Farther south than 94% of all ZIP codes, and farther west than 76%.
  • 🎯702 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78648 and you would come out at 29.69°S, 82.36°E — 1,500 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 03m of daylight. Shortest: 10h 14m.
  • 📏 At 132.9 square miles of land, 78648 is bigger than 84% of ZIP codes — room for about 101 Central Parks.
🌙 The sky over 78648 today
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🌋 Shake report
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Source: USGS.

People and housing

Population7,863This ZIP7,863
Households3,274This ZIP3,274
Housing units3,509This ZIP3,509
Median age43.9This ZIP43.9Texas35.6US 38.9
Median household income$57,621This ZIP$57,621Texas$78,476US $80,734
Median home value$217,500This ZIP$217,500Texas$283,800US $332,700
Median gross rent$1,038This ZIP$1,038Texas$1,403US $1,413
Bachelor's degree or higher12.2%This ZIP12.2%
Mean commute27.9 minThis ZIP27.9 min
Population density59.2 / sq miThis ZIP59.2 / sq mi

Business and tax activity

Business establishments171This ZIP171
Employees1,639This ZIP1,639
Annual payroll$76,942,000This ZIP$76,942,000
Tax returns filed3,690This ZIP3,690
Total adjusted gross income$245,542,000This ZIP$245,542,000

Land area

Land area132.92 sq miThis ZIP132.92 sq mi
Water area0.69 sq miThis ZIP0.69 sq mi

Counties 78648 spans

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

CountyShare of this ZIP
Caldwell County 75.7%
Guadalupe County 15.4%
Gonzales County 8.9%

Other place names in 78648

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

ZIP codes near 78648

ZIPCityDistance
78658 Ottine, TX 6.9 mi
78661 Prairie Lea, TX 7.5 mi
78638 Kingsbury, TX 9.1 mi
78632 Harwood, TX 10.0 mi
78622 Fentress, TX 10.4 mi
78604 Belmont, TX 12.1 mi
78644 Lockhart, TX 12.5 mi
78670 Staples, TX 13.5 mi
78655 Martindale, TX 14.5 mi
78616 Dale, TX 16.8 mi

Find every ZIP code within 10 miles of 78648 →

Questions about this ZIP code

Where is ZIP code 78648?

78648 is in Luling, Texas, in Caldwell County, part of the Austin-Round Rock-San Marcos, TX metropolitan area. Its published point location is 29.6943, -97.6381.

What county is 78648 in?

78648 spans 3 counties: Caldwell County, Guadalupe County and Gonzales County. Most of it falls in Caldwell 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 78648?

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

What time zone is 78648 in?

78648 uses America/Chicago.

How many people live in 78648?

About 7,863 people live in ZIP code 78648, in 3,274 households, at 59.2 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 78648?

$57,621 a year, against $78,476 across Texas.

What ZIP codes are near 78648?

The closest are 78658 (6.9 mi), 78661 (7.5 mi), 78638 (9.1 mi), 78632 (10 mi) and 78622 (10.4 mi).

Is 78648 a PO Box ZIP code?

78648 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78648 ZIP Code — Luling, Texas (Caldwell County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78648

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