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Where 81040 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 81040 into a pocket calculator and turn it upside down: OhOIB — not quite a word, sorry.
- ➕ As a number, 81,040 = 2 × 2 × 2 × 2 × 5 × 1013. Its digits add up to 13, a total 1,179 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011110010010000 - 🏠 Its numerical neighbours: 81039 (Fowler, CO, 63 mi away) and 81041 (Granada, CO, 154 mi away).
- 🔄 Backwards, 81040 becomes 04018, which is not a ZIP code at all.
- 👥 26 other ZIP codes are made of exactly the same digits (00841, 01084, 01840, 04108, 08014, 08041, …). The farthest-flung twin is 00841 in Frederiksted, VI, 2,801 miles away.
- 🧭 Farther south than 60% of all ZIP codes, and farther west than 83%.
- 🎯385 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 81040 and you would come out at 37.78°S, 74.77°E — 831 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 47m of daylight. Shortest: 9h 33m.
- 📏 At 474.7 square miles of land, 81040 is bigger than 97% of ZIP codes — room for about 360 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 360This ZIP360 |
|---|---|
| Households | 216This ZIP216 |
| Housing units | 437This ZIP437 |
| Median age | 65.4This ZIP65.4Colorado37.7US 38.9 |
| Median household income | $30,978This ZIP$30,978Colorado$95,470US $80,734 |
| Bachelor's degree or higher | 30.0%This ZIP30.0% |
| Population density | 0.8 / sq miThis ZIP0.8 / sq mi |
Business and tax activity
| Business establishments | 9This ZIP9 |
|---|---|
| Employees | 45This ZIP45 |
| Annual payroll | $2,089,000This ZIP$2,089,000 |
| Tax returns filed | 180This ZIP180 |
| Total adjusted gross income | $10,023,000This ZIP$10,023,000 |
Land area
| Land area | 474.74 sq miThis ZIP474.74 sq mi |
|---|---|
| Water area | 0.17 sq miThis ZIP0.17 sq mi |
Other place names in 81040
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 81040
| ZIP | City | Distance |
|---|---|---|
81069 | Rye, CO | 19.9 mi |
81133 | Fort Garland, CO | 23.7 mi |
81019 | Colorado City, CO | 24.0 mi |
81252 | Westcliffe, CO | 25.1 mi |
81131 | Crestone, CO | 25.3 mi |
81023 | Beulah, CO | 25.5 mi |
81146 | Mosca, CO | 25.9 mi |
81253 | Wetmore, CO | 28.1 mi |
81055 | La Veta, CO | 28.2 mi |
81123 | Blanca, CO | 31.7 mi |
Find every ZIP code within 10 miles of 81040 →
Questions about this ZIP code
Where is ZIP code 81040?
81040 is in Gardner, Colorado, in Huerfano County. Its published point location is 37.7832, -105.2272.
What county is 81040 in?
81040 lies in Huerfano County.
What area code is 81040?
Gardner uses area code 719, from NANPA's telephone records.
What time zone is 81040 in?
81040 uses America/Denver.
How many people live in 81040?
About 360 people live in ZIP code 81040, in 216 households, at 0.8 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 81040?
$30,978 a year, against $95,470 across Colorado.
What ZIP codes are near 81040?
The closest are 81069 (19.9 mi), 81133 (23.7 mi), 81019 (24 mi), 81252 (25.1 mi) and 81131 (25.3 mi).
Is 81040 a PO Box ZIP code?
81040 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “81040 ZIP Code — Gardner, Colorado (Huerfano County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81040
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/81040.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.