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zipcodes.pro — ZIP/78118

78118

ZIP 78118 is Karnes City, Texas, mostly in Karnes County; area code 830; Central time.

Type
Standard
Time zone
America/Chicago
County
Karnes +2 more
Metro area
none
Population
4,676
Coordinates
28.8748, -97.9374
☼ Live from 78118 — Karnes City, TX

Weather right now

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Local time: —

Where 78118 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 78118
  • 🔢 Type 78118 into a pocket calculator and turn it upside down: BIIBL — not quite a word, sorry.
  • ➕ As a number, 78,118 = 2 × 139 × 281. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011000100100110
  • 🏠 Its numerical neighbours: 78117 (Hobson, TX, 4 mi away) and 78119 (Kenedy, TX, 11 mi away).
  • 🔄 Backwards, 78118 becomes 81187, which is not a ZIP code at all.
  • 👥 4 other ZIP codes are made of exactly the same digits (11788, 17881, 18817, 87181). The farthest-flung twin is 11788 in Hauppauge, NY, 1,618 miles away.
  • 🧭 Farther south than 95% of all ZIP codes, and farther west than 77%.
  • 🎯758 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78118 and you would come out at 28.87°S, 82.06°E — 1,496 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 59m of daylight. Shortest: 10h 18m.
  • 📏 At 191.8 square miles of land, 78118 is bigger than 90% of ZIP codes — room for about 146 Central Parks.
🌙 The sky over 78118 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,676This ZIP4,676
Households1,525This ZIP1,525
Housing units1,940This ZIP1,940
Median age36.8This ZIP36.8Texas35.6US 38.9
Median household income$60,711This ZIP$60,711Texas$78,476US $80,734
Median home value$103,700This ZIP$103,700Texas$283,800US $332,700
Median gross rent$666This ZIP$666Texas$1,403US $1,413
Bachelor's degree or higher15.5%This ZIP15.5%
Mean commute18.3 minThis ZIP18.3 min
Population density24.4 / sq miThis ZIP24.4 / sq mi

Business and tax activity

Business establishments103This ZIP103
Employees1,815This ZIP1,815
Annual payroll$107,348,000This ZIP$107,348,000
Tax returns filed1,890This ZIP1,890
Total adjusted gross income$292,643,000This ZIP$292,643,000

Land area

Land area191.81 sq miThis ZIP191.81 sq mi
Water area1.15 sq miThis ZIP1.15 sq mi

Counties 78118 spans

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

CountyShare of this ZIP
Karnes County 89.1%
Live Oak County 7.4%
Atascosa County 3.4%

Other place names in 78118

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

ZIP codes near 78118

ZIPCityDistance
78117 Hobson, TX 4.5 mi
78144 Panna Maria, TX 5.9 mi
78119 Kenedy, TX 10.7 mi
78113 Falls City, TX 12.8 mi
78151 Runge, TX 13.6 mi
78145 Pawnee, TX 16.2 mi
78147 Poth, TX 16.2 mi
78111 Ecleto, TX 16.4 mi
78062 Peggy, TX 18.3 mi
78141 Nordheim, TX 19.4 mi

Find every ZIP code within 10 miles of 78118 →

Questions about this ZIP code

Where is ZIP code 78118?

78118 is in Karnes City, Texas, in Karnes County. Its published point location is 28.8748, -97.9374.

What county is 78118 in?

78118 spans 3 counties: Karnes County, Live Oak County and Atascosa County. Most of it falls in Karnes 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 78118?

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

What time zone is 78118 in?

78118 uses America/Chicago.

How many people live in 78118?

About 4,676 people live in ZIP code 78118, in 1,525 households, at 24.4 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 78118?

$60,711 a year, against $78,476 across Texas.

What ZIP codes are near 78118?

The closest are 78117 (4.5 mi), 78144 (5.9 mi), 78119 (10.7 mi), 78113 (12.8 mi) and 78151 (13.6 mi).

Is 78118 a PO Box ZIP code?

78118 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78118 ZIP Code — Karnes City, Texas (Karnes County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78118

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