Weather right now
Asking the National Weather Service…
Where 78830 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 78830 into a pocket calculator and turn it upside down: OEBBL — not quite a word, sorry.
- ➕ As a number, 78,830 = 2 × 5 × 7883. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011001111101110 - 🏠 Its numerical neighbours: 78829 (Batesville, TX, 26 mi away) and 78832 (Brackettville, TX, 83 mi away).
- 🔄 Backwards, 78830 becomes 03887 — and that is a real ZIP code: Union, NH, 1,880 miles away.
- 👥 16 other ZIP codes are made of exactly the same digits (03878, 03887, 07838, 08738, 08837, 08873, …). The farthest-flung twin is 03878 in Somersworth, NH, 1,882 miles away.
- 🧭 Farther south than 96% of all ZIP codes, and farther west than 79%.
- 🎯783 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 78830 and you would come out at 28.52°S, 80.52°E — 1,539 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 13h 58m of daylight. Shortest: 10h 19m.
- 📏 At 159.7 square miles of land, 78830 is bigger than 87% of ZIP codes — room for about 121 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 597This ZIP597 |
|---|---|
| Households | 165This ZIP165 |
| Housing units | 246This ZIP246 |
| Median age | 35.5This ZIP35.5Texas35.6US 38.9 |
| Median household income | $51,354This ZIP$51,354Texas$78,476US $80,734 |
| Median home value | $66,700This ZIP$66,700Texas$283,800US $332,700 |
| Median gross rent | $631This ZIP$631Texas$1,403US $1,413 |
| Bachelor's degree or higher | 9.3%This ZIP9.3% |
| Mean commute | 30.5 minThis ZIP30.5 min |
| Population density | 3.7 / sq miThis ZIP3.7 / sq mi |
Business and tax activity
| Business establishments | 9This ZIP9 |
|---|---|
| Employees | 92This ZIP92 |
| Annual payroll | $5,979,000This ZIP$5,979,000 |
| Tax returns filed | 210This ZIP210 |
| Total adjusted gross income | $11,839,000This ZIP$11,839,000 |
Land area
| Land area | 159.67 sq miThis ZIP159.67 sq mi |
|---|---|
| Water area | 0.31 sq miThis ZIP0.31 sq mi |
Other place names in 78830
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 78830
| ZIP | City | Distance |
|---|---|---|
78827 | Asherton, TX | 16.2 mi |
78836 | Catarina, TX | 17.0 mi |
78839 | Crystal City, TX | 20.9 mi |
78017 | Dilley, TX | 22.4 mi |
78014 | Cotulla, TX | 23.7 mi |
78834 | Carrizo Springs, TX | 23.8 mi |
78001 | Artesia Wells, TX | 25.2 mi |
78829 | Batesville, TX | 26.4 mi |
78061 | Pearsall, TX | 33.9 mi |
78872 | La Pryor, TX | 36.3 mi |
Find every ZIP code within 10 miles of 78830 →
Questions about this ZIP code
Where is ZIP code 78830?
78830 is in Big Wells, Texas, in Dimmit County. Its published point location is 28.5195, -99.4771.
What county is 78830 in?
78830 lies in Dimmit County.
What area code is 78830?
Big Wells uses area code 830, from NANPA's telephone records.
What time zone is 78830 in?
78830 uses America/Chicago.
How many people live in 78830?
About 597 people live in ZIP code 78830, in 165 households, at 3.7 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 78830?
$51,354 a year, against $78,476 across Texas.
What ZIP codes are near 78830?
The closest are 78827 (16.2 mi), 78836 (17 mi), 78839 (20.9 mi), 78017 (22.4 mi) and 78014 (23.7 mi).
Is 78830 a PO Box ZIP code?
78830 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “78830 ZIP Code — Big Wells, Texas (Dimmit County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78830
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/78830.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.