Basalt Population

1900–2026

4,020

2026 projection

0.9% since 2020 (increase)

01K2K3K4K5K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Basalt. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20264,020+110.27%
20254,009-10.02%
20244,010+110.28%
20233,999-300.74%
20224,029-70.17%
20214,036+521.31%
20203,984-220.55%
20194,006+1112.85%
20183,895+310.80%
20173,864+962.55%

Showing 10 of 28 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Basalt is growing faster than Eagle County, and slower than Colorado and the U.S.

  • Colorado+3.9%
  • United States+3.1%
  • Basalt+1.1%
  • Eagle County−2.5%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Basalt Demographics

41.2median age

Median age

Female39.2 yrs
Male43.2 yrs

Adults

3,684
1,038 seniors (65+) · 28% of adults2,646 other adults

Sex

Female 52.2% · 2,261Male 47.8% · 2,074

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 43 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Basalt Income

$105,855median household income

Median household income

$105,855

Half of households earn more, half earn less

Median earnings

$60,257

Typical yearly pay for a worker 25 or older.

Poverty rate

7.3%

About 1 in 14 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Basalt Marital Status

59% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married59%57%60%
Never married25%25%24%
Divorced13%13%12%
Widowed4%3%4%
Separated<1%1%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201