81137
ZIP 81137 is Ignacio, Colorado, mostly in La Plata County; area code 970; Mountain time.
- Type
- Standard
- Time zone
- America/Denver
- County
- La Plata +2 more
- Metro area
- Durango, CO
- Population
- 5,571
- Coordinates
- 37.0519, -107.6136
Weather right now
Asking the National Weather Service…
Where 81137 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 81137 into a pocket calculator and turn it upside down: LEIIB — not quite a word, sorry.
- ➕ As a number, 81,137 = 7 × 67 × 173. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011110011110001 - 🏠 Its numerical neighbours: 81136 (Hooper, CO, 109 mi away) and 81138 (Jaroso, CO, 110 mi away).
- 🔄 Backwards, 81137 becomes 73118 — and that is a real ZIP code: Oklahoma City, OK, 571 miles away.
- 👥 21 other ZIP codes are made of exactly the same digits (11378, 11738, 11783, 17318, 17813, 17831, …). The farthest-flung twin is 11738 in Farmingville, NY, 1,864 miles away.
- 🧭 Farther south than 64% of all ZIP codes, and farther west than 85%.
- 🎯525 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 81137 and you would come out at 37.05°S, 72.39°E — 857 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 43m of daylight. Shortest: 9h 37m.
- 📏 At 258.2 square miles of land, 81137 is bigger than 94% of ZIP codes — room for about 196 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 5,571This ZIP5,571 |
|---|---|
| Households | 2,231This ZIP2,231 |
| Housing units | 2,546This ZIP2,546 |
| Median age | 46.1This ZIP46.1Colorado37.7US 38.9 |
| Median household income | $63,860This ZIP$63,860Colorado$95,470US $80,734 |
| Median home value | $335,300This ZIP$335,300Colorado$539,400US $332,700 |
| Median gross rent | $1,147This ZIP$1,147Colorado$1,761US $1,413 |
| Bachelor's degree or higher | 21.9%This ZIP21.9% |
| Mean commute | 23.2 minThis ZIP23.2 min |
| Population density | 21.6 / sq miThis ZIP21.6 / sq mi |
Business and tax activity
| Business establishments | 88This ZIP88 |
|---|---|
| Employees | 612This ZIP612 |
| Annual payroll | $35,754,000This ZIP$35,754,000 |
| Tax returns filed | 2,330This ZIP2,330 |
| Total adjusted gross income | $144,191,000This ZIP$144,191,000 |
Land area
| Land area | 258.24 sq miThis ZIP258.24 sq mi |
|---|---|
| Water area | 6.52 sq miThis ZIP6.52 sq mi |
Counties 81137 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| La Plata County | 79.6% |
| San Juan County | 17.3% |
| Archuleta County | 3.1% |
Other place names in 81137
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 81137
| ZIP | City | Distance |
|---|---|---|
87419 | Navajo Dam, NM | 9.3 mi |
81121 | Arboles, CO | 11.0 mi |
81303 | Durango, CO | 14.2 mi |
81122 | Bayfield, CO | 17.8 mi |
87410 | Aztec, NM | 20.5 mi |
81302 | Durango, CO | 21.3 mi |
81329 | Marvel, CO | 28.3 mi |
87412 | Blanco, NM | 28.4 mi |
81326 | Hesperus, CO | 28.5 mi |
87418 | La Plata, NM | 30.4 mi |
Find every ZIP code within 10 miles of 81137 →
Questions about this ZIP code
Where is ZIP code 81137?
81137 is in Ignacio, Colorado, in La Plata County, part of the Durango, CO micropolitan area. Its published point location is 37.0519, -107.6136.
What county is 81137 in?
81137 spans 3 counties: La Plata County, San Juan County and Archuleta County. Most of it falls in La Plata County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 81137?
Ignacio uses area code 970, from NANPA's telephone records.
What time zone is 81137 in?
81137 uses America/Denver.
How many people live in 81137?
About 5,571 people live in ZIP code 81137, in 2,231 households, at 21.6 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 81137?
$63,860 a year, against $95,470 across Colorado.
What ZIP codes are near 81137?
The closest are 87419 (9.3 mi), 81121 (11 mi), 81303 (14.2 mi), 81122 (17.8 mi) and 87410 (20.5 mi).
Is 81137 a PO Box ZIP code?
81137 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “81137 ZIP Code — Ignacio, Colorado (La Plata County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81137
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/81137.json Underlying data is public domain or openly licensed — sources, vintages and licences.