Aspen, Colorado

Aspen population, 2020 to 2024

Aspen lost 436 residents from July 2020 to July 2024, a change of -6.2%. In the latest year it moved by -63. Among 79 Colorado places of 5,000 or more, that growth ranks 79th; the median place changed by +3.0%. The median place of 5,000+ in Colorado has 14,061 people, so Aspen is 47% of it.

Aspen covers 3.86 square miles of land, for 1,698 people per square mile of land. The median Colorado place of 5,000+ has 1,848, so Aspen is close to the typical town.

What county Aspen is in

All of Aspen's residents live in Pitkin County, which had 16,643 residents in 2024. Aspen holds 39.4% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Aspen

1 ZIP Code Tabulation Area (ZCTA) overlaps Aspen by at least 10% of the ZCTA's or the city's land: 81611. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Aspen is

The Census internal point of Aspen is at 39.195200, -106.836800. Denver, the capital, is 105.7 miles ENE in a straight line. The nearest larger place is Carbondale, CO (6,758 people), 24.5 miles away. The nearest city of 100,000 or more is Lakewood, CO, 98.1 miles away.

Daylight in Aspen

At 39.20° N, Aspen gets about 14 h 56 min of daylight around the June solstice and 9 h 25 min around the December solstice, a swing of 5 h 31 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Aspen

The eight nearest incorporated places of 1,000+ in Colorado, measured between internal points. The closest is Snowmass Village, 5.9 miles away, with 2,925 people.