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Where 81057 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 81057 into a pocket calculator and turn it upside down: LSOIB — not quite a word, sorry.
- ➕ As a number, 81,057 = 3 × 41 × 659. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011110010100001 - 🏠 Its numerical neighbours: 81055 (La Veta, CO, 131 mi away) and 81058 (Manzanola, CO, 54 mi away).
- 🔄 Backwards, 81057 becomes 75018, which is not a ZIP code at all.
- 👥 47 other ZIP codes are made of exactly the same digits (05871, 07851, 08751, 10578, 10587, 15078, …). The farthest-flung twin is 05871 in West Burke, VT, 1,656 miles away.
- 🧭 Farther south than 57% of all ZIP codes, and farther west than 81%.
- 🎯260 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 81057 and you would come out at 38.12°S, 77.10°E — 847 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 31m.
- 📏 At 47.3 square miles of land, 81057 is bigger than 58% of ZIP codes — room for about 36 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 450This ZIP450 |
|---|---|
| Households | 186This ZIP186 |
| Housing units | 201This ZIP201 |
| Median age | 40.0This ZIP40.0Colorado37.7US 38.9 |
| Median household income | $54,167This ZIP$54,167Colorado$95,470US $80,734 |
| Median home value | $209,400This ZIP$209,400Colorado$539,400US $332,700 |
| Median gross rent | $963This ZIP$963Colorado$1,761US $1,413 |
| Bachelor's degree or higher | 22.7%This ZIP22.7% |
| Mean commute | 18.0 minThis ZIP18.0 min |
| Population density | 9.5 / sq miThis ZIP9.5 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 14This ZIP14 |
| Annual payroll | $932,000This ZIP$932,000 |
| Tax returns filed | 170This ZIP170 |
| Total adjusted gross income | $10,069,000This ZIP$10,069,000 |
Land area
| Land area | 47.35 sq miThis ZIP47.35 sq mi |
|---|---|
| Water area | 0.54 sq miThis ZIP0.54 sq mi |
Other place names in 81057
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 81057
| ZIP | City | Distance |
|---|---|---|
81092 | Wiley, CO | 6.4 mi |
81038 | Fort Lyon, CO | 14.8 mi |
81052 | Lamar, CO | 17.6 mi |
81044 | Hasty, CO | 18.4 mi |
81036 | Eads, CO | 21.0 mi |
81054 | Las Animas, CO | 21.4 mi |
81021 | Arlington, CO | 32.9 mi |
81030 | Cheraw, CO | 33.2 mi |
81041 | Granada, CO | 33.2 mi |
81045 | Haswell, CO | 33.5 mi |
Find every ZIP code within 10 miles of 81057 →
Questions about this ZIP code
Where is ZIP code 81057?
81057 is in Mc Clave, Colorado, in Bent County. Its published point location is 38.1230, -102.9019.
What county is 81057 in?
81057 lies in Bent County.
What area code is 81057?
Mc Clave uses area code 719, from NANPA's telephone records.
What time zone is 81057 in?
81057 uses America/Denver.
How many people live in 81057?
About 450 people live in ZIP code 81057, in 186 households, at 9.5 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 81057?
$54,167 a year, against $95,470 across Colorado.
What ZIP codes are near 81057?
The closest are 81092 (6.4 mi), 81038 (14.8 mi), 81052 (17.6 mi), 81044 (18.4 mi) and 81036 (21 mi).
Is 81057 a PO Box ZIP code?
81057 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “81057 ZIP Code — Mc Clave, Colorado (Bent County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81057
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/81057.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.