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Where 79843 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 79843 into a pocket calculator and turn it upside down: EhBGL — not quite a word, sorry.
- ➕ 79843 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 31, a total 799 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011011111100011 - 🏠 Its numerical neighbours: 79842 (Marathon, TX, 83 mi away) and 79845 (Presidio, TX, 15 mi away).
- 🔄 Backwards, 79843 becomes 34897, which is not a ZIP code at all.
- 👥 28 other ZIP codes are made of exactly the same digits (34789, 34987, 37849, 38749, 38947, 39478, …). The farthest-flung twin is 49783 in Sault Sainte Marie, MI, 1,573 miles away.
- 🧭 Farther south than 93% of all ZIP codes, and farther west than 82%.
- 🎯763 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 79843 and you would come out at 29.87°S, 75.59°E — 1,314 miles from Port Louis, Mauritius, the nearest big city to that spot.
- ☀Longest day of the year: 14h 04m of daylight. Shortest: 10h 13m.
- 📏 At 1,480.0 square miles of land, 79843 is bigger than 99% of ZIP codes — room for about 1,124 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,633This ZIP2,633 |
|---|---|
| Households | 1,266This ZIP1,266 |
| Housing units | 1,743This ZIP1,743 |
| Median age | 48.8This ZIP48.8Texas35.6US 38.9 |
| Median household income | $45,263This ZIP$45,263Texas$78,476US $80,734 |
| Median home value | $289,300This ZIP$289,300Texas$283,800US $332,700 |
| Median gross rent | $477This ZIP$477Texas$1,403US $1,413 |
| Bachelor's degree or higher | 35.6%This ZIP35.6% |
| Mean commute | 7.3 minThis ZIP7.3 min |
| Population density | 1.8 / sq miThis ZIP1.8 / sq mi |
Business and tax activity
| Business establishments | 88This ZIP88 |
|---|---|
| Employees | 584This ZIP584 |
| Annual payroll | $19,724,000This ZIP$19,724,000 |
| Tax returns filed | 1,120This ZIP1,120 |
| Total adjusted gross income | $93,951,000This ZIP$93,951,000 |
Land area
| Land area | 1,480.00 sq miThis ZIP1,480.00 sq mi |
|---|---|
| Water area | 0.03 sq miThis ZIP0.03 sq mi |
Other place names in 79843
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 79843
| ZIP | City | Distance |
|---|---|---|
79845 | Presidio, TX | 15.0 mi |
79846 | Redford, TX | 41.8 mi |
79830 | Alpine, TX | 52.6 mi |
79854 | Valentine, TX | 53.5 mi |
79831 | Alpine, TX | 53.7 mi |
79832 | Alpine, TX | 56.9 mi |
79852 | Terlingua, TX | 59.2 mi |
79734 | Fort Davis, TX | 61.7 mi |
79855 | Van Horn, TX | 78.0 mi |
79786 | Toyahvale, TX | 83.0 mi |
Find every ZIP code within 10 miles of 79843 →
Questions about this ZIP code
Where is ZIP code 79843?
79843 is in Marfa, Texas, in Presidio County. Its published point location is 29.8698, -104.4123.
What county is 79843 in?
79843 lies in Presidio County.
What area code is 79843?
Marfa uses area code 432, from NANPA's telephone records.
What time zone is 79843 in?
79843 uses America/Chicago.
How many people live in 79843?
About 2,633 people live in ZIP code 79843, in 1,266 households, at 1.8 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 79843?
$45,263 a year, against $78,476 across Texas.
What ZIP codes are near 79843?
The closest are 79845 (15 mi), 79846 (41.8 mi), 79830 (52.6 mi), 79854 (53.5 mi) and 79831 (53.7 mi).
Is 79843 a PO Box ZIP code?
79843 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “79843 ZIP Code — Marfa, Texas (Presidio County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/79843
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/79843.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.