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zipcodes.pro — ZIP/81621

81621

ZIP 81621 is Basalt, Colorado, mostly in Eagle County; area code 970; Mountain time.

Type
Standard
Time zone
America/Denver
County
Eagle +1 more
Metro area
Edwards, CO
Population
6,550
Coordinates
39.3781, -106.8764
☼ Live from 81621 — Basalt, CO

Weather right now

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Local time: —

Where 81621 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.

★ Weird and wonderful facts about 81621
  • 🔢 Type 81621 into a pocket calculator and turn it upside down: IZgIB — not quite a word, sorry.
  • ➕ As a number, 81,621 = 3 × 3 × 3 × 3023. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011111011010101
  • 🏠 Its numerical neighbours: 81620 (Avon, CO, 26 mi away) and 81623 (Carbondale, CO, 18 mi away).
  • 🔄 Backwards, 81621 becomes 12618, which is not a ZIP code at all.
  • 👥 19 other ZIP codes are made of exactly the same digits (12168, 12186, 12816, 12861, 16218, 16821, …). The farthest-flung twin is 12168 in Stephentown, NY, 1,750 miles away.
  • 🧭 Farther north than 51% of all ZIP codes, and farther west than 84%.
  • 🎯443 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 81621 and you would come out at 39.38°S, 73.12°E — 704 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 57m of daylight. Shortest: 9h 23m.
  • 📏 At 258.7 square miles of land, 81621 is bigger than 94% of ZIP codes — room for about 196 Central Parks.
🌙 The sky over 81621 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population6,550This ZIP6,550
Households2,788This ZIP2,788
Housing units3,171This ZIP3,171
Median age42.2This ZIP42.2Colorado37.7US 38.9
Median household income$104,754This ZIP$104,754Colorado$95,470US $80,734
Median home value$1,136,600This ZIP$1,136,600Colorado$539,400US $332,700
Median gross rent$2,316This ZIP$2,316Colorado$1,761US $1,413
Bachelor's degree or higher59.1%This ZIP59.1%
Mean commute28.9 minThis ZIP28.9 min
Population density25.3 / sq miThis ZIP25.3 / sq mi

Business and tax activity

Business establishments559This ZIP559
Employees2,993This ZIP2,993
Annual payroll$200,318,000This ZIP$200,318,000
Tax returns filed3,840This ZIP3,840
Total adjusted gross income$565,895,000This ZIP$565,895,000

Land area

Land area258.70 sq miThis ZIP258.70 sq mi
Water area2.10 sq miThis ZIP2.10 sq mi

Counties 81621 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Eagle County 64.9%
Pitkin County 35.1%

Other place names in 81621

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 81621

ZIPCityDistance
81656 Woody Creek, CO 8.3 mi
81615 Snowmass Village, CO 11.9 mi
81654 Snowmass, CO 15.0 mi
81642 Meredith, CO 17.1 mi
81623 Carbondale, CO 17.8 mi
81631 Eagle, CO 18.1 mi
81611 Aspen, CO 18.8 mi
81632 Edwards, CO 22.2 mi
81612 Aspen, CO 22.7 mi
81645 Minturn, CO 22.9 mi

Find every ZIP code within 10 miles of 81621 →

Questions about this ZIP code

Where is ZIP code 81621?

81621 is in Basalt, Colorado, in Eagle County, part of the Edwards, CO micropolitan area. Its published point location is 39.3781, -106.8764.

What county is 81621 in?

81621 spans 2 counties: Eagle County and Pitkin County. Most of it falls in Eagle 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 81621?

Basalt uses area code 970, from NANPA's telephone records.

What time zone is 81621 in?

81621 uses America/Denver.

How many people live in 81621?

About 6,550 people live in ZIP code 81621, in 2,788 households, at 25.3 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 81621?

$104,754 a year, against $95,470 across Colorado.

What ZIP codes are near 81621?

The closest are 81656 (8.3 mi), 81615 (11.9 mi), 81654 (15 mi), 81642 (17.1 mi) and 81623 (17.8 mi).

Is 81621 a PO Box ZIP code?

81621 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “81621 ZIP Code — Basalt, Colorado (Eagle County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81621

Machine-readable version of these facts:

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