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Where 78116 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.
- 🔢 Type 78116 into a pocket calculator and turn it upside down: gIIBL — not quite a word, sorry.
- ➕ As a number, 78,116 = 2 × 2 × 59 × 331. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011000100100100 - 🏠 Its numerical neighbours: 78115 (Geronimo, TX, 35 mi away) and 78117 (Hobson, TX, 16 mi away).
- 🔄 Backwards, 78116 becomes 61187, which is not a ZIP code at all.
- 👥 16 other ZIP codes are made of exactly the same digits (11768, 11786, 16871, 17861, 18617, 61817, …). The farthest-flung twin is 11786 in Shoreham, NY, 1,619 miles away.
- 🧭 Farther south than 95% of all ZIP codes, and farther west than 76%.
- 🎯743 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 78116 and you would come out at 29.10°S, 82.26°E — 1,499 miles from West Island, Cocos Islands, the nearest big city to that spot.
- ☀Longest day of the year: 14h 00m of daylight. Shortest: 10h 17m.
- 📏 At 115.2 square miles of land, 78116 is bigger than 81% of ZIP codes — room for about 87 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 226This ZIP226 |
|---|---|
| Households | 94This ZIP94 |
| Housing units | 214This ZIP214 |
| Median age | 70.0This ZIP70.0Texas35.6US 38.9 |
| Median household income | $88,700This ZIP$88,700Texas$78,476US $80,734 |
| Median home value | $331,800This ZIP$331,800Texas$283,800US $332,700 |
| Bachelor's degree or higher | 20.6%This ZIP20.6% |
| Population density | 2.0 / sq miThis ZIP2.0 / sq mi |
Business and tax activity
| Business establishments | 6This ZIP6 |
|---|---|
| Employees | 200This ZIP200 |
| Annual payroll | $37,712,000This ZIP$37,712,000 |
| Tax returns filed | 150This ZIP150 |
| Total adjusted gross income | $66,715,000This ZIP$66,715,000 |
Land area
| Land area | 115.16 sq miThis ZIP115.16 sq mi |
|---|---|
| Water area | 0.99 sq miThis ZIP0.99 sq mi |
ZIP codes near 78116
| ZIP | City | Distance |
|---|---|---|
78111 | Ecleto, TX | 4.7 mi |
78143 | Pandora, TX | 12.6 mi |
78159 | Smiley, TX | 12.8 mi |
78144 | Panna Maria, TX | 13.8 mi |
78160 | Stockdale, TX | 14.0 mi |
78140 | Nixon, TX | 14.2 mi |
78141 | Nordheim, TX | 15.4 mi |
78117 | Hobson, TX | 15.7 mi |
78164 | Yorktown, TX | 15.9 mi |
78151 | Runge, TX | 16.2 mi |
Find every ZIP code within 10 miles of 78116 →
Questions about this ZIP code
Where is ZIP code 78116?
78116 is in Gillett, Texas, in Karnes County. Its published point location is 29.1023, -97.7440.
What county is 78116 in?
78116 lies in Karnes County.
What area code is 78116?
Gillett uses area code 830, from NANPA's telephone records.
What time zone is 78116 in?
78116 uses America/Chicago.
How many people live in 78116?
About 226 people live in ZIP code 78116, in 94 households, at 2.0 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 78116?
$88,700 a year, against $78,476 across Texas.
What ZIP codes are near 78116?
The closest are 78111 (4.7 mi), 78143 (12.6 mi), 78159 (12.8 mi), 78144 (13.8 mi) and 78160 (14 mi).
Is 78116 a PO Box ZIP code?
78116 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “78116 ZIP Code — Gillett, Texas (Karnes County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78116
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/78116.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.