78675
ZIP 78675 is Willow City, Texas, in Gillespie County; area code 830; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Gillespie
- Metro area
- Fredericksburg, TX
- Population
- 102
- Coordinates
- 30.4346, -98.7071
Weather right now
Asking the National Weather Service…
Where 78675 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 78675 into a pocket calculator and turn it upside down: SLgBL — not quite a word, sorry.
- ➕ As a number, 78,675 = 3 × 5 × 5 × 1049. Its digits add up to 33, a total 456 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011001101010011 - 🏠 Its numerical neighbours: 78674 (Weir, TX, 68 mi away) and 78676 (Wimberley, TX, 43 mi away).
- 🔄 Backwards, 78675 becomes 57687, which is not a ZIP code at all.
- 👥 22 other ZIP codes are made of exactly the same digits (58776, 65778, 65787, 67578, 67758, 67857, …). The farthest-flung twin is 58776 in Ross, ND, 1,248 miles away.
- 🧭 Farther south than 92% of all ZIP codes, and farther west than 78%.
- 🎯649 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 78675 and you would come out at 30.43°S, 81.29°E — 1,429 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 07m of daylight. Shortest: 10h 11m.
- 📏 At 43.4 square miles of land, 78675 is bigger than 56% of ZIP codes — room for about 33 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 102This ZIP102 |
|---|---|
| Households | 57This ZIP57 |
| Housing units | 111This ZIP111 |
| Median age | 60.3This ZIP60.3Texas35.6US 38.9 |
| Median household income | $78,472This ZIP$78,472Texas$78,476US $80,734 |
| Median home value | $451,500This ZIP$451,500Texas$283,800US $332,700 |
| Bachelor's degree or higher | 18.6%This ZIP18.6% |
| Population density | 2.4 / sq miThis ZIP2.4 / sq mi |
Land area
| Land area | 43.36 sq miThis ZIP43.36 sq mi |
|---|---|
| Water area | 0.07 sq miThis ZIP0.07 sq mi |
ZIP codes near 78675
| ZIP | City | Distance |
|---|---|---|
78624 | Fredericksburg, TX | 13.9 mi |
78671 | Stonewall, TX | 15.6 mi |
78643 | Llano, TX | 16.9 mi |
78636 | Johnson City, TX | 18.7 mi |
78635 | Hye, TX | 18.8 mi |
78657 | Horseshoe Bay, TX | 20.7 mi |
78639 | Kingsland, TX | 21.4 mi |
78663 | Round Mountain, TX | 23.6 mi |
78609 | Buchanan Dam, TX | 26.4 mi |
76831 | Castell, TX | 26.8 mi |
Find every ZIP code within 10 miles of 78675 →
Questions about this ZIP code
Where is ZIP code 78675?
78675 is in Willow City, Texas, in Gillespie County, part of the Fredericksburg, TX micropolitan area. Its published point location is 30.4346, -98.7071.
What county is 78675 in?
78675 lies in Gillespie County.
What area code is 78675?
Willow City uses area code 830, from NANPA's telephone records.
What time zone is 78675 in?
78675 uses America/Chicago.
How many people live in 78675?
About 102 people live in ZIP code 78675, in 57 households, at 2.4 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 78675?
$78,472 a year, against $78,476 across Texas.
What ZIP codes are near 78675?
The closest are 78624 (13.9 mi), 78671 (15.6 mi), 78643 (16.9 mi), 78636 (18.7 mi) and 78635 (18.8 mi).
Is 78675 a PO Box ZIP code?
78675 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “78675 ZIP Code — Willow City, Texas (Gillespie County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78675
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/78675.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.