Colorado · Census place 0804935

Basalt, Colorado

Basalt is a town in 2 counties of Colorado with an estimated 4,001 residents on July 1, 2024. It is the 87th largest of 149 incorporated places of 1,000+ people in the state.

Population 2024
4,001
#87 of 149 in Colorado
Change since 2020
+0.4%
+14 people
Land area
2.0 sq mi
Density
1,981 / sq mi
State median 1,848
Orange pin: Basalt. Shaded: counties it spans. Dark pin: Denver.

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Tools and pages that start from Basalt

Basalt population, 2020 to 2024

Basalt added 14 residents from July 2020 to July 2024, a change of +0.4%. In the latest year it moved by +1.

3,98720204,05320214,04420224,00020234,0012024
July 1 estimates. The April 2020 estimates base was 3,996. The axis starts above zero so yearly changes are visible.

Basalt covers 2.02 square miles of land, for 1,981 people per square mile of land. The median Colorado place of 5,000+ has 1,848, so Basalt is close to the typical town.

The 2 counties Basalt spans

Basalt crosses county lines. The Census county-part estimates split its 4,001 residents as follows; Eagle County holds 73.1% of them. The shaded shapes are on the map above; dots mark the eight nearest places.

  1. 01Eagle County2,924
  2. 02Pitkin County1,077
Residents inside each county, Census Vintage 2024 county-part estimates (SUMLEV 157).

ZIP codes in Basalt

1 ZIP Code Tabulation Area (ZCTA) overlaps Basalt by at least 10% of the ZCTA's or the town's land: 81621. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a town that annexed land after 2020 may reach into ZIP codes not listed here.

Where Basalt is

The Census internal point of Basalt is at 39.368600, -107.048800. Denver, the capital, is 112.9 miles ENE in a straight line. The nearest larger place is Carbondale, CO (6,758 people), 9.1 miles away. The nearest city of 100,000 or more is Lakewood, CO, 105.4 miles away.

Internal point

Decimal
39.368600, -107.048800
DMS
39°22'6.96"N 107°02'55.68"W
UTM
13N 323507.5E 4359683.9N
Geohash
9wgzunc6w
Plus code
85FJ9X92+CF

Daylight in Basalt

At 39.37° N, Basalt gets about 14 h 57 min of daylight around the June solstice and 9 h 24 min around the December solstice, a swing of 5 h 33 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Basalt

The eight nearest incorporated places of 1,000+ in Colorado, measured between internal points. The closest is Carbondale, 9.1 miles away, with 6,758 people.

Questions people ask

What is the population of Basalt, CO?

4,001 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 14 (0.4%) from 3,987 in July 2020.

What county is Basalt in?

It spans 2 counties: Eagle County (2,924 residents), Pitkin County (1,077 residents).

What ZIP codes cover Basalt?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 81621.

How far is Basalt from Denver?

112.9 miles (181.7 km) in a straight line, heading ENE from Basalt.

What is the nearest larger city to Basalt?

Carbondale, CO, with 6,758 residents, 9.1 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.