PlainZIP

Basalt, CO · standard

ZIP Code 81621

Eagle County, Colorado - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

5,914
10/sq mi
$104,754
Median income
$1,136,600
Median home value
59.1%
Bachelor's or higher

The verdict

Basalt pairs an upper-quartile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 16%
household income, US ZIPs
Top 2%
home value, US ZIPs
10
people per sq mi
68%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 81621 against every reporting US ZIP.

ZIP code 81621 is a mid-sized community (a standard USPS delivery area) in Basalt, Eagle County, Colorado, home to 5,914 residents across 574.2 square miles, a density of 10 people per square mile, in the Denver time zone.

ZIP 81621 lands in the middle-income range, with a median household income of $104,754 (18% above the Colorado average), while per-capita income is $64,753. The poverty rate stands at 7.9% and the unemployment rate at 2.7%. On housing, the median home value is $1,136,600 (135% above the state average) with median rent at $2,316 per month, and 68.4% of occupied units are owner-occupied.

This is a highly-educated ZIP: 59.1% of adults hold a bachelor's degree or higher, the median age is 42.2, and the average commute is 29 minutes. Beyond these figures, 1 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Eagle County, letting you compare 81621 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 81621

Top 5 sectors by establishment count in Basalt, CO

Which industries have the most business establishments in ZIP 81621.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 81621, Basalt, CO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

5,914

Population

574.2

Area (sq mi)

10

People / sq mi

Denver

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 81621?

42.2

Median Age

49.2%

Male

50.8%

Female

11.0%

Foreign-Born

White 81.0%
African American 0.2%
Asian 1.2%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 12.0%
Hispanic or Latino 18.3%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$104,754

Median Household Income

+18% vs state

$64,753

Per Capita Income

7.9%

Poverty Rate

2.7%

Unemployment Rate

28.9 min

Mean Commute Time

How ZIP 81621 ranks nationally

Basalt, CO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$104,754 Top 16% higher than 84% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 69.9%
Bachelor's Degree or Higher 59.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

3,171

Total Housing Units

2,788

Occupied Units

383

Vacant Units

2.35

Avg Household Size

Occupancy Type

Owner 68.4%
Renter 31.6%

$1,136,600

Median Home Value

+135% vs state

$2,316

Median Rent

1994

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+39.4%

YoY Change (2022)

283

HPI Index (2000 = 100)

+183%

Total Change Since 2000

Home values in ZIP 81621 have increased 39.4% over the past year (2022). Since 2000, this ZIP has seen +183% cumulative appreciation.

Year Annual Change HPI Index
2018 +5.5% 175
2019 +4.7% 183
2020 +5.2% 193
2021 +5.4% 203
2022 +39.4% 283

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2022. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 559 business establishments in ZIP 81621, employing approximately 2,993 people with a combined annual payroll of $200,318,000.

559

Businesses

2,993

Employees

$200.3M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 96 17.2%
Construction 94 16.8%
Real estate and rental and leasing 57 10.2%
Retail trade 56 10.0%
Other services (except public administration) 49 8.8%
Administrative and support and waste management and remediation services 44 7.9%
Health care and social assistance 44 7.9%
Accommodation and food services 38 6.8%
Finance and insurance 28 5.0%
Arts, entertainment, and recreation 16 2.9%
Wholesale trade 12 2.1%
Manufacturing 10 1.8%
Transportation and warehousing 4 0.7%
Information 3 0.5%
Educational services 3 0.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 81621 vs 81656 →

ZIP Code City Population Distance
81656 Woody Creek, CO 242 7.1 mi

More ZIP Codes in Eagle County

81620 standard
Avon, CO
Pop: 10,450
81632 standard
Edwards, CO
Pop: 10,276
81631 standard
Eagle, CO
Pop: 8,215
81637 standard
Gypsum, CO
Pop: 7,721
81657 standard
Vail, CO
Pop: 5,581
81645 standard
Minturn, CO
Pop: 1,121

Related Areas

Eagle County Basalt, CO Colorado

Frequently Asked Questions

What county is ZIP code 81621 in? ▼
ZIP code 81621 (Basalt) is located in Eagle County, Colorado. Eagle County contains multiple ZIP codes, see the full list at /counties/eagle-co.
What is the population of ZIP code 81621? ▼
ZIP code 81621 in Basalt, CO has a population of 5,914 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 81621? ▼
The median household income in ZIP 81621 is $104,754, which is 37% above the national average of $76,288.
What is the average home value in ZIP 81621? ▼
The median home value in ZIP 81621 is $1,136,600, which is 309% above the national average of $278,155.
What is the demographic makeup of ZIP 81621? ▼
The largest racial group in ZIP 81621 is White at 81.0%. Hispanic or Latino residents make up 18.3% of the population.
How many businesses are in ZIP code 81621? ▼
ZIP code 81621 has 559 business establishments employing approximately 2,993 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 81621? ▼
The top industries by establishment count in ZIP 81621 are: Professional, scientific, and technical services (96), Construction (94), Real estate and rental and leasing (57). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 81621? ▼
According to the FHFA House Price Index, home values in ZIP 81621 increased by 39.4% in 2022. Since 2000, home values in this ZIP have appreciated by approximately 183%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 81621? ▼
In ZIP code 81621, 69.9% of residents aged 25+ have a high school diploma or higher, and 59.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 81621? ▼
The mean commute time for workers in ZIP code 81621 is 28.9 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 81621? ▼
In ZIP code 81621, approximately 68.4% of occupied housing units are owner-occupied and 31.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 81621? ▼
The poverty rate in ZIP code 81621 is 7.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.