81623
ZIP 81623 is Carbondale, Colorado, mostly in Pitkin County; area code 970; Mountain time.
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Where 81623 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 81623 into a pocket calculator and turn it upside down: EZgIB — not quite a word, sorry.
- ➕ As a number, 81,623 = 31 × 2633. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011111011010111 - 🏠 Its numerical neighbours: 81621 (Basalt, CO, 18 mi away) and 81624 (Collbran, CO, 32 mi away).
- 🔄 Backwards, 81623 becomes 32618 — and that is a real ZIP code: Archer, FL, 1,550 miles away.
- 👥 52 other ZIP codes are made of exactly the same digits (12836, 12863, 13628, 13682, 13826, 13862, …). The farthest-flung twin is 12836 in Hague, NY, 1,752 miles away.
- 🧭 Farther north than 51% of all ZIP codes, and farther west than 84%.
- 🎯459 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 81623 and you would come out at 39.25°S, 72.84°E — 710 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
- 📏 At 433.8 square miles of land, 81623 is bigger than 97% of ZIP codes — room for about 329 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 15,067This ZIP15,067 |
|---|---|
| Households | 6,362This ZIP6,362 |
| Housing units | 6,953This ZIP6,953 |
| Median age | 44.6This ZIP44.6Colorado37.7US 38.9 |
| Median household income | $109,661This ZIP$109,661Colorado$95,470US $80,734 |
| Median home value | $913,300This ZIP$913,300Colorado$539,400US $332,700 |
| Median gross rent | $2,119This ZIP$2,119Colorado$1,761US $1,413 |
| Bachelor's degree or higher | 52.6%This ZIP52.6% |
| Mean commute | 28.6 minThis ZIP28.6 min |
| Population density | 34.7 / sq miThis ZIP34.7 / sq mi |
Business and tax activity
| Business establishments | 927This ZIP927 |
|---|---|
| Employees | 4,901This ZIP4,901 |
| Annual payroll | $320,249,000This ZIP$320,249,000 |
| Tax returns filed | 8,460This ZIP8,460 |
| Total adjusted gross income | $1,238,122,000This ZIP$1,238,122,000 |
Land area
| Land area | 433.84 sq miThis ZIP433.84 sq mi |
|---|---|
| Water area | 0.61 sq miThis ZIP0.61 sq mi |
Counties 81623 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Pitkin County | 53.9% |
| Gunnison County | 24.0% |
| Garfield County | 16.5% |
| Eagle County | 5.6% |
Other place names in 81623
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 81623
| ZIP | City | Distance |
|---|---|---|
81654 | Snowmass, CO | 6.9 mi |
81615 | Snowmass Village, CO | 12.0 mi |
81621 | Basalt, CO | 17.8 mi |
81656 | Woody Creek, CO | 20.2 mi |
81225 | Crested Butte, CO | 21.1 mi |
81612 | Aspen, CO | 21.7 mi |
81602 | Glenwood Springs, CO | 22.7 mi |
81434 | Somerset, CO | 23.2 mi |
81601 | Glenwood Springs, CO | 25.4 mi |
81611 | Aspen, CO | 27.2 mi |
Find every ZIP code within 10 miles of 81623 →
Questions about this ZIP code
Where is ZIP code 81623?
81623 is in Carbondale, Colorado, in Pitkin County, part of the Rifle, CO micropolitan area. Its published point location is 39.2460, -107.1629.
What county is 81623 in?
81623 spans 4 counties: Pitkin County, Gunnison County, Garfield County and Eagle County. Most of it falls in Pitkin 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 81623?
Carbondale uses area code 970, from NANPA's telephone records.
What time zone is 81623 in?
81623 uses America/Denver.
How many people live in 81623?
About 15,067 people live in ZIP code 81623, in 6,362 households, at 34.7 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 81623?
$109,661 a year, against $95,470 across Colorado.
What ZIP codes are near 81623?
The closest are 81654 (6.9 mi), 81615 (12 mi), 81621 (17.8 mi), 81656 (20.2 mi) and 81225 (21.1 mi).
Is 81623 a PO Box ZIP code?
81623 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “81623 ZIP Code — Carbondale, Colorado (Pitkin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81623
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/81623.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.