Castle Pines, Colorado

Castle Pines population, 2020 to 2024

Castle Pines added 3,949 residents from July 2020 to July 2024, a change of +35.2%. In the latest year it moved by +371. Among 79 Colorado places of 5,000 or more, that growth ranks 4th; the median place changed by +3.0%. The median place of 5,000+ in Colorado has 14,061 people, so Castle Pines is 1.1 times that size.

Castle Pines covers 9.59 square miles of land, for 1,581 people per square mile of land. The median Colorado place of 5,000+ has 1,848, so Castle Pines is less dense than the typical town.

What county Castle Pines is in

All of Castle Pines's residents live in Douglas County, which had 393,995 residents in 2024. Castle Pines holds 3.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Castle Pines

1 ZIP Code Tabulation Area (ZCTA) overlaps Castle Pines by at least 10% of the ZCTA's or the city's land: 80108. 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 Castle Pines is

The Census internal point of Castle Pines is at 39.462500, -104.870600. Denver, the capital, is 20.1 miles NNW in a straight line. The nearest larger place is Parker, CO (65,473 people), 5.9 miles away. The nearest city of 100,000 or more is Centennial, CO, 8.9 miles away.

Daylight in Castle Pines

At 39.46° N, Castle Pines gets about 14 h 58 min of daylight around the June solstice and 9 h 23 min around the December solstice, a swing of 5 h 35 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Castle Pines

The eight nearest incorporated places of 1,000+ in Colorado, measured between internal points. The closest is Lone Tree, 4.7 miles away, with 14,061 people.