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Where 81077 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 81077 into a pocket calculator and turn it upside down: LLOIB — not quite a word, sorry.
- ➕ 81077 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011110010110101 - 🏠 Its numerical neighbours: 81076 (Sugar City, CO, 22 mi away) and 81081 (Trinchera, CO, 72 mi away).
- 🔄 Backwards, 81077 becomes 77018 — and that is a real ZIP code: Houston, TX, 735 miles away.
- 👥 25 other ZIP codes are made of exactly the same digits (01778, 07718, 07871, 17078, 17087, 17870, …). The farthest-flung twin is 01778 in Wayland, MA, 1,718 miles away.
- 🧭 Farther south than 58% of all ZIP codes, and farther west than 82%.
- 🎯298 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 81077 and you would come out at 38.02°S, 76.39°E — 841 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 48m of daylight. Shortest: 9h 31m.
- 📏 At 2.2 square miles of land, 81077 is bigger than 12% of ZIP codes — room for about 1.7 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 568This ZIP568 |
|---|---|
| Households | 257This ZIP257 |
| Housing units | 285This ZIP285 |
| Median age | 33.3This ZIP33.3Colorado37.7US 38.9 |
| Median household income | $48,897This ZIP$48,897Colorado$95,470US $80,734 |
| Median home value | $174,500This ZIP$174,500Colorado$539,400US $332,700 |
| Bachelor's degree or higher | 22.6%This ZIP22.6% |
| Mean commute | 17.9 minThis ZIP17.9 min |
| Population density | 257.2 / sq miThis ZIP257.2 / sq mi |
Business and tax activity
| Business establishments | 8This ZIP8 |
|---|---|
| Employees | 51This ZIP51 |
| Annual payroll | $2,092,000This ZIP$2,092,000 |
Land area
| Land area | 2.21 sq miThis ZIP2.21 sq mi |
|---|---|
| Water area | 0.08 sq miThis ZIP0.08 sq mi |
Other place names in 81077
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 81077
| ZIP | City | Distance |
|---|---|---|
81067 | Rocky Ford, CO | 6.1 mi |
81030 | Cheraw, CO | 8.1 mi |
81050 | La Junta, CO | 13.7 mi |
81058 | Manzanola, CO | 16.1 mi |
81034 | Crowley, CO | 17.8 mi |
81033 | Crowley, CO | 17.9 mi |
81076 | Sugar City, CO | 22.4 mi |
81054 | Las Animas, CO | 24.2 mi |
81039 | Fowler, CO | 26.3 mi |
81062 | Olney Springs, CO | 27.0 mi |
Find every ZIP code within 10 miles of 81077 →
Questions about this ZIP code
Where is ZIP code 81077?
81077 is in Swink, Colorado, in Otero County. Its published point location is 38.0195, -103.6134.
What county is 81077 in?
81077 lies in Otero County.
What area code is 81077?
Swink uses area code 719, from NANPA's telephone records.
What time zone is 81077 in?
81077 uses America/Denver.
How many people live in 81077?
About 568 people live in ZIP code 81077, in 257 households, at 257.2 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 81077?
$48,897 a year, against $95,470 across Colorado.
What ZIP codes are near 81077?
The closest are 81067 (6.1 mi), 81030 (8.1 mi), 81050 (13.7 mi), 81058 (16.1 mi) and 81034 (17.8 mi).
Is 81077 a PO Box ZIP code?
81077 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “81077 ZIP Code — Swink, Colorado (Otero County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81077
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/81077.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.