81621 ZIP Code, Basalt, CO
81621 is a ZIP code in Basalt, Colorado — mostly in Eagle County (65% of its land), with smaller parts in Pitkin County. It covers 259 square miles of land. The closest ZIP codes are 81656, 81615 and 81654. 6,550 people live here in 2,788 households. It is rural, with fewer than 100 people per square mile, and owners and renters are mixed (68% own). Median household income is $104,754, close to the Colorado median of $95,470.
Quick facts
- Mailing city: Basalt, CO
- County: Eagle County
- Land area: 259 sq mi
- Population: 6,550
- Median household income: $104,754
Key figures
| Measure | Value |
|---|---|
| Residents | 6,550 |
| Households | 2,788 |
| Median household income | $104,754 |
| Income per person | $64,753 |
| Median age | 42.2 |
| Homeowners | 68.4% |
| Median home value | $1,136,600 |
| Median rent | $2,316 |
| Bachelor's degree or higher | 59.1% |
| Average commute (minutes) | 28.9 |
| Households with kids under 18 | 28.7% |
| Moved in the past year | 16.6% |
| Below the poverty line | 7.9% |
| Broadband internet | 94.1% |
| Speak a non-English language at home | 21.0% |
Household income
| % of households | Value |
|---|---|
| <$10K | 3.5% |
| $10–15K | 1.6% |
| $15–25K | 3.5% |
| $25–35K | 1.3% |
| $35–50K | 3.5% |
| $50–75K | 12.7% |
| $75–100K | 18.5% |
| $100–150K | 23.2% |
| $150–200K | 10.3% |
| $200K+ | 22.0% |
Age
| % of all residents | Value |
|---|---|
| <10 | 9.9% |
| 10–19 | 9.1% |
| 20–24 | 4.9% |
| 25–34 | 12.7% |
| 35–44 | 16.7% |
| 45–54 | 14.2% |
| 55–64 | 11.0% |
| 65–74 | 13.6% |
| 75+ | 7.9% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 33.2% |
| Owned outright | 27.6% |
| Rented | 27.3% |
| Vacant | 11.9% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 57.5% |
| Townhome | 10.1% |
| 2–4 units | 5.1% |
| 5–19 units | 10.4% |
| 20+ units | 10.4% |
| Mobile / other | 6.5% |
Businesses in 81621
559 business establishments with 2,993 employees (ZIP Codes Business Patterns 2023).
- Professional, Scientific, and Technical Services: 96
- Construction: 94
- Real Estate and Rental and Leasing: 57
- Retail Trade: 56
- Other Services (except Public Administration): 49
- Administrative and Support and Waste Management and Remediation Services: 44
- Health Care and Social Assistance: 44
- Accommodation and Food Services: 38
EDDM carrier routes
See every USPS carrier route in 81621 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 81656 — Woody Creek CDP, CO (8.3 mi)
- 81615 — Snowmass Village town, CO (11.9 mi)
- 81654 — Snowmass Village town, CO (15 mi)
- 81642 — Norrie CDP, CO (17.1 mi)
- 81623 — El Jebel CDP, CO (17.8 mi)
- 81631 — Eagle town, CO (18.1 mi)
- 81611 — Aspen city, CO (18.8 mi)
- 81632 — Edwards CDP, CO (22.2 mi)
Areas that include 81621
- Basalt, CO ZIP codes — 1 ZIP code
- Eagle County ZIP codes — 12 ZIP codes
- Pitkin County ZIP codes — 8 ZIP codes
- Colorado ZIP code data
Where it ranks
- No. 3 of 7: highest median household income in Eagle County
- No. 2 of 7: highest median home value in Eagle County
- No. 4 of 7: highest share of owner-occupied homes in Eagle County
- No. 4 of 7: highest share of households with children in Eagle County
- No. 3 of 7: highest share of residents who moved in during the past year in Eagle County
- No. 2 of 7: highest median age in Eagle County
- No. 3 of 7: fastest population growth in Eagle County
Mail every home in 81621
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 81621, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 81621 in?
- 81621 is a Basalt, CO mailing address. None of its land lies inside a Census-defined city or community.
- What county is 81621 in?
- 81621 is mostly in Eagle County (65% of its land), with smaller parts in Pitkin County.
- What is the population of 81621?
- About 6,550 people (±682), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 6,034.
- What is the median household income in 81621?
- $104,754 (±$13,814), compared with $95,470 for Colorado as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 81621?
- EDDM2GO's stored route library does not include 81621 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 81621?
- The closest, measured center to center: 81656 (8.3 mi, Woody Creek), 81615 (11.9 mi, Snowmass Village), 81654 (15 mi, Snowmass Village), 81642 (17.1 mi, Norrie), 81623 (17.8 mi, El Jebel) and 81631 (18.1 mi, Eagle).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.