78108
ZIP 78108 is Cibolo, Texas, mostly in Guadalupe County; area code 830; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Guadalupe +2 more
- Metro area
- San Antonio-New Braunfels, TX
- Population
- 49,784
- Coordinates
- 29.5701, -98.2178
Weather right now
Asking the National Weather Service…
Where 78108 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 78108 into a pocket calculator and turn it upside down: BOIBL — not quite a word, sorry.
- ➕ As a number, 78,108 = 2 × 2 × 3 × 23 × 283. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011000100011100 - 🏠 Its numerical neighbours: 78107 (Berclair, TX, 79 mi away) and 78109 (Converse, TX, 8 mi away).
- 🔄 Backwards, 78108 becomes 80187, which is not a ZIP code at all.
- 👥 17 other ZIP codes are made of exactly the same digits (01887, 07188, 07881, 08817, 08871, 17088, …). The farthest-flung twin is 01887 in Wilmington, MA, 1,746 miles away.
- 🧭 Farther south than 94% of all ZIP codes, and farther west than 77%.
- 🎯709 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 78108 and you would come out at 29.57°S, 81.78°E — 1,495 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 15m.
- 📏 At 28.2 square miles of land, 78108 is bigger than 44% of ZIP codes — room for about 21 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 49,784This ZIP49,784 |
|---|---|
| Households | 15,914This ZIP15,914 |
| Housing units | 16,640This ZIP16,640 |
| Median age | 35.5This ZIP35.5Texas35.6US 38.9 |
| Median household income | $113,004This ZIP$113,004Texas$78,476US $80,734 |
| Median home value | $337,600This ZIP$337,600Texas$283,800US $332,700 |
| Median gross rent | $2,171This ZIP$2,171Texas$1,403US $1,413 |
| Bachelor's degree or higher | 42.2%This ZIP42.2% |
| Mean commute | 32.1 minThis ZIP32.1 min |
| Population density | 1,763.1 / sq miThis ZIP1,763.1 / sq mi |
Business and tax activity
| Business establishments | 375This ZIP375 |
|---|---|
| Employees | 3,807This ZIP3,807 |
| Annual payroll | $185,926,000This ZIP$185,926,000 |
| Tax returns filed | 21,320This ZIP21,320 |
| Total adjusted gross income | $1,723,788,000This ZIP$1,723,788,000 |
Land area
| Land area | 28.24 sq miThis ZIP28.24 sq mi |
|---|---|
| Water area | 0.06 sq miThis ZIP0.06 sq mi |
Counties 78108 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Guadalupe County | 87.2% |
| Bexar County | 10.1% |
| Comal County | 2.7% |
Other place names in 78108
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 78108
| ZIP | City | Distance |
|---|---|---|
78154 | Schertz, TX | 3.1 mi |
78124 | Marion, TX | 4.4 mi |
78150 | Jbsa Randolph, TX | 4.4 mi |
78148 | Universal City, TX | 5.1 mi |
78109 | Converse, TX | 7.8 mi |
78233 | San Antonio, TX | 8.8 mi |
78266 | San Antonio, TX | 9.1 mi |
78239 | San Antonio, TX | 9.4 mi |
78152 | Saint Hedwig, TX | 9.8 mi |
78244 | San Antonio, TX | 10.2 mi |
Find every ZIP code within 10 miles of 78108 →
Questions about this ZIP code
Where is ZIP code 78108?
78108 is in Cibolo, Texas, in Guadalupe County, part of the San Antonio-New Braunfels, TX metropolitan area. Its published point location is 29.5701, -98.2178.
What county is 78108 in?
78108 spans 3 counties: Guadalupe County, Bexar County and Comal County. Most of it falls in Guadalupe 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 78108?
Cibolo uses area code 830, from NANPA's telephone records.
What time zone is 78108 in?
78108 uses America/Chicago.
How many people live in 78108?
About 49,784 people live in ZIP code 78108, in 15,914 households, at 1,763.1 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 78108?
$113,004 a year, against $78,476 across Texas.
What ZIP codes are near 78108?
The closest are 78154 (3.1 mi), 78124 (4.4 mi), 78150 (4.4 mi), 78148 (5.1 mi) and 78109 (7.8 mi).
Is 78108 a PO Box ZIP code?
78108 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “78108 ZIP Code — Cibolo, Texas (Guadalupe County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78108
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/78108.json Underlying data is public domain or openly licensed — sources, vintages and licences.