ZIP Code · CO

ZIP 81621

Part of Basalt, CO

Pop. 6,550·Eagle County·2nd most expensive ZIP in Colorado

Median rent (all units)

$4,225/mo

Year-over-Year

Stable

Month-over-Month

-2.8%

vs US Median

+$2,293

Reported rents

Falling (Monthly)

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ZIP 81621 · $4,225

More expensive than 98% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$1,770

1 BR

$2,080

2 BR

$2,570

3 BR

$3,140

4 BR+

$4,000

Research median

$2,570/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: October 17, 2026

From the history

What the numbers show

What a typical income covers

30% of the median household income ($104,754) is $2,619 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($2,570); a 3-bedroom is $3,140.

From Zillow's monthly rent index (ZORI) for ZIP 81621. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$50,700/yr

At $4,225/mo median

Location

CityBasalt

StateCO

CountyEagle County

Rent Market Meter

Renter's Market

Renter's MarketBalancedLandlord's Market

Rents are softening (down 0.0% YoY), so renters have negotiating leverage.

Based on rent-price momentum (+0.0% YoY, -2.8% MoM), not inventory.

Demographics

Who lives here

ZIP 81621 (Basalt, CO) is majority owner-occupied, has a large retiree population, has a median income above the national average, 59.1% of residents hold a bachelor's degree or higher.

Population

6,550

Median income

$104,754

Median age

42.2

Renters

31.6%

Age distribution

17.9%

18.6%

30.9%

21.5%

Under 1817.9%

18–3418.6%

35–5430.9%

55–6411%

65+21.5%

Gender

49.2%

50.8%

Male49.2%

Female50.8%

Race & ethnicity

81%

18.3%

White81%

Hispanic18.3%

Asian1.2%

Education (25+)

26.4%

59.1%

No HS diploma3.6%

HS diploma10.9%

Some college26.4%

Bachelor's+59.1%

Housing tenure

68.4%

31.6%

Owner68.4%

Renter31.6%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 81621 in Basalt, CO has changed in 5 years

Income

$106,221 → $104,754

down 1.4%

Population

6,122 → 6,550

up 7.0%

Renter share

26.9% → 31.6%

+4.7 pts

Bachelor's+

50.1% → 59.1%

+9.0 pts

Median age

46 → 42.2

-3.8 yrs

On the earnings side, the typical household in ZIP 81621 in Basalt, CO now reports about $104,754, up from $106,221 in 2021. Census counts show ZIP 81621 in Basalt, CO adding about 428 residents over the five-year window, up 7.0% on net. The renter share has risen from 26.9% to 31.6%, with owner-occupied housing accounting for the remainder. Bachelor's-degree-or-higher attainment moved from 50.1% to 59.1% across the same window.

Community

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Local insights

Tips for renters in ZIP 81621

About renting in ZIP 81621

Last updated: October 17, 2026

ZIP code 81621 covers Basalt, CO. The median rent here is $4,225/mo as of October 2026. A 1-bedroom rents for a median of $2,080/mo. A 2-bedroom rents for a median of $2,570/mo.

At 48% of local median household income ($104,754/yr), ZIP 81621 ranks as moderate compared to the national benchmark of 30%. Rent prices have stayed steady over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 81621?

To keep rent at or below 30% of gross income, you would need to earn at least $169,000/year (about $81/hour full-time) to afford the median rent of $4,225/mo in ZIP 81621. The local median household income is $104,754/yr, so the typical household falls short of that bar.