Castle Pines, CO Demographics

A map of Castle Pines's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	10,521	9,230	78.6%	83.6%
Hispanic	1,228	754	9.2%	6.8%
Black	590	95	4.4%	0.9%
Multiracial	505	498	3.8%	4.5%
Asian	475	377	3.5%	3.4%
Native American/Other	69	82	0.5%	0.7%

Castle Pines, Colorado has an estimated population of 13,388, a large increase from the 11,036 recorded in the 2020 Census. The population is 78.6% White, 9.2% Hispanic, 4.4% Black, 3.8% Multiracial, 3.5% Asian, and 0.5% Native American/Other. This demographic dot map shows the population of Castle Pines, with one dot drawn for each person counted by the Census, color-coded by race.

Castle Pines has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than Colorado overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Castle Pines, that probability was 29.3% in 2020 and 36.9% in the most recent ACS estimates.

Castle Pines is ranked the 56th most populous place in Colorado, out of 482 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Castle Pines was ranked the 64th most populous place in the 2020 Census.

Castle Pines's White Population

10,521 residents of Castle Pines, or 78.6% of the population, identify as White. The share of White residents in Castle Pines is considerably higher than in Colorado overall, where 64.8% of the population is White. Castle Pines ranks 165th statewide in terms of White residents as a share of the population, out of 482 places.

Since the 2020 Census, Castle Pines's White population has grown by an estimated 14.0%. White residents' share of Castle Pines's population has decreased from 83.6% to 78.6%.

Castle Pines is more White than neighboring Lone Tree (74.5% White), Stepping Stone (72% White), Meridian Village (63.1% White), and Sierra Ridge (56.9% White). Castle Pines is less White than neighboring Castle Pines Village (88.3% White).

Castle Pines's Black Population

590 residents of Castle Pines, or 4.4% of the population, identify as Black. The share of Black residents in Castle Pines is comparable to the share in Colorado overall, where 3.8% of the population is Black. Castle Pines ranks 144th statewide in terms of Black residents as a share of the population, out of 482 places.

Since the 2020 Census, Castle Pines's Black population has grown by an estimated 521.1%. Black residents' share of Castle Pines's population has increased from 0.9% to 4.4%.

Castle Pines is more Black than neighboring Castle Pines Village (0.2% Black), Lone Tree (2.9% Black), Meridian Village (0% Black), and Sierra Ridge (0% Black). Castle Pines is less Black than neighboring Stepping Stone (8.1% Black).

Castle Pines's Asian Population

475 residents of Castle Pines, or 3.5% of the population, identify as Asian. The share of Asian residents in Castle Pines is comparable to the share in Colorado overall, where 3.2% of the population is Asian. Castle Pines ranks 54th statewide in terms of Asian residents as a share of the population, out of 482 places.

Since the 2020 Census, Castle Pines's Asian population has grown by an estimated 26.0%. Asian residents' share of Castle Pines's population has remained roughly unchanged at 3.5%.

Castle Pines is more Asian than neighboring Castle Pines Village (2% Asian). Castle Pines is less Asian than neighboring Lone Tree (11.3% Asian), Stepping Stone (12.2% Asian), Meridian Village (25.3% Asian), and Sierra Ridge (20.3% Asian).

Castle Pines's Hispanic Population

1,228 residents of Castle Pines, or 9.2% of the population, identify as Hispanic. The share of Hispanic residents in Castle Pines is considerably lower than in Colorado overall, where 22.5% of the population is Hispanic. Castle Pines ranks 371st statewide in terms of Hispanic residents as a share of the population, out of 482 places.

Since the 2020 Census, Castle Pines's Hispanic population has grown by an estimated 62.9%. Hispanic residents' share of Castle Pines's population has increased from 6.8% to 9.2%.

Castle Pines is more Hispanic than neighboring Castle Pines Village (5.9% Hispanic), Lone Tree (6.1% Hispanic), and Stepping Stone (3.1% Hispanic). Castle Pines is less Hispanic than neighboring Meridian Village (9.9% Hispanic), and Sierra Ridge (17.4% Hispanic).

Castle Pines's Native American/Other Population

69 residents of Castle Pines, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Castle Pines is comparable to the share in Colorado overall, where 1% of the population is Native American/Other. Castle Pines ranks 331st statewide in terms of Native American/Other residents as a share of the population, out of 482 places.

Since the 2020 Census, Castle Pines's Native American/Other population has declined by an estimated 15.9%. Native American/Other residents' share of Castle Pines's population has remained roughly unchanged at 0.5%.

Castle Pines is more Native American/Other than neighboring Stepping Stone (0% Native American/Other), and Meridian Village (0.3% Native American/Other). Castle Pines is less Native American/Other than neighboring Castle Pines Village (1.6% Native American/Other), and Lone Tree (1.5% Native American/Other).

Castle Pines's Multiracial Population

505 residents of Castle Pines, or 3.8% of the population, identify as Multiracial. The share of Multiracial residents in Castle Pines is comparable to the share in Colorado overall, where 4.6% of the population is Multiracial. Castle Pines ranks 185th statewide in terms of Multiracial residents as a share of the population, out of 482 places.

Since the 2020 Census, Castle Pines's Multiracial population has grown by an estimated 1.4%. Multiracial residents' share of Castle Pines's population has decreased from 4.5% to 3.8%.

Castle Pines is more Multiracial than neighboring Castle Pines Village (2.1% Multiracial), Lone Tree (3.7% Multiracial), and Meridian Village (1.4% Multiracial). Castle Pines is less Multiracial than neighboring Stepping Stone (4.5% Multiracial), and Sierra Ridge (4.8% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.