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Where 78658 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 78658 into a pocket calculator and turn it upside down: BSgBL — not quite a word, sorry.
- ➕ As a number, 78,658 = 2 × 67 × 587. Its digits add up to 34, a total 322 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011001101000010 - 🏠 Its numerical neighbours: 78657 (Horseshoe Bay, TX, 79 mi away) and 78659 (Paige, TX, 52 mi away).
- 🔄 Backwards, 78658 becomes 85687, which is not a ZIP code at all.
- 👥 13 other ZIP codes are made of exactly the same digits (58768, 65788, 68758, 68785, 68875, 75688, …). The farthest-flung twin is 58768 in Norwich, ND, 1,302 miles away.
- 🧭 Farther south than 94% of all ZIP codes, and farther west than 76%.
- 🎯709 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 78658 and you would come out at 29.60°S, 82.38°E — 1,507 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 8.9 square miles of land, 78658 is bigger than 26% of ZIP codes — room for about 6.7 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 94This ZIP94 |
|---|---|
| Households | 39This ZIP39 |
| Housing units | 39This ZIP39 |
| Median age | 56.5This ZIP56.5Texas35.6US 38.9 |
| Median home value | $434,600This ZIP$434,600Texas$283,800US $332,700 |
| Bachelor's degree or higher | 34.2%This ZIP34.2% |
| Population density | 10.6 / sq miThis ZIP10.6 / sq mi |
Land area
| Land area | 8.88 sq miThis ZIP8.88 sq mi |
|---|---|
| Water area | 0.04 sq miThis ZIP0.04 sq mi |
ZIP codes near 78658
| ZIP | City | Distance |
|---|---|---|
78604 | Belmont, TX | 6.2 mi |
78648 | Luling, TX | 6.9 mi |
78638 | Kingsbury, TX | 10.7 mi |
78122 | Leesville, TX | 10.9 mi |
78632 | Harwood, TX | 11.0 mi |
78661 | Prairie Lea, TX | 12.0 mi |
78614 | Cost, TX | 13.0 mi |
78629 | Gonzales, TX | 13.3 mi |
78622 | Fentress, TX | 16.0 mi |
78677 | Wrightsboro, TX | 17.3 mi |
Find every ZIP code within 10 miles of 78658 →
Questions about this ZIP code
Where is ZIP code 78658?
78658 is in Ottine, Texas, in Gonzales County. Its published point location is 29.5960, -97.6225.
What county is 78658 in?
78658 lies in Gonzales County.
What area code is 78658?
Ottine uses area code 830, from NANPA's telephone records.
What time zone is 78658 in?
78658 uses America/Chicago.
How many people live in 78658?
About 94 people live in ZIP code 78658, in 39 households, at 10.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 78658?
The closest are 78604 (6.2 mi), 78648 (6.9 mi), 78638 (10.7 mi), 78122 (10.9 mi) and 78632 (11 mi).
Is 78658 a PO Box ZIP code?
78658 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “78658 ZIP Code — Ottine, Texas (Gonzales County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78658
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/78658.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.