Census Dots

Castle Rock, CO Demographics

A map of Castle Rock's Population by Race

Race
PopulationPercent
White
57,50978.6%
Hispanic
8,53611.7%
Multiracial
3,9215.4%
Asian
1,5882.2%
Black
9641.3%
Native American/Other
6400.9%

Castle Rock, Colorado had a population of 73,158 in 2020. It was 78.6% White, 1.3% Black, 2.2% Asian, 11.7% Hispanic, 0.9% Native American/Other, and 5.4% Multiracial. This map presents the population of Castle Rock, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 482 places in Colorado, Castle Rock is the 17th most populous. 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 Rock's White Population

57,509 residents of Castle Rock identify as White, or 78.6%. This makes the White share of the population of Castle Rock larger than the White share of the population of Colorado (65.1% White). Of the 482 places in Colorado, Castle Rock is ranked #251 in terms of White residents as a share of the population.

Castle Rock is less White than neighboring Castle Pines Village (88.3% White), Castle Pines (83.6% White), Franktown (85.3% White), The Pinery (85% White), and Sedalia (82.5% White).

Castle Rock's Black Population

964 residents of Castle Rock identify as Black, or 1.3%. This makes the Black share of the population of Castle Rock roughly similar to the Black share of the population of Colorado (3.8% Black). Of the 482 places in Colorado, Castle Rock is ranked #79 in terms of Black residents as a share of the population.

Castle Rock is more Black than neighboring Castle Pines Village (1.1% Black), Castle Pines (0.9% Black), Franktown (0% Black), The Pinery (0.9% Black), and Sedalia (0% Black).

Castle Rock's Asian Population

1,588 residents of Castle Rock identify as Asian, or 2.2%. This makes the Asian share of the population of Castle Rock roughly similar to the Asian share of the population of Colorado (3.4% Asian). Of the 482 places in Colorado, Castle Rock is ranked #91 in terms of Asian residents as a share of the population.

Castle Rock is more Asian than neighboring Franktown (1.2% Asian), The Pinery (1.8% Asian), and Sedalia (0% Asian). Castle Rock is less Asian than neighboring Castle Pines Village (2.3% Asian), and Castle Pines (3.4% Asian).

Castle Rock's Hispanic Population

8,536 residents of Castle Rock identify as Hispanic, or 11.7%. This makes the Hispanic share of the population of Castle Rock slightly less than the Hispanic share of the population of Colorado (21.9% Hispanic). Of the 482 places in Colorado, Castle Rock is ranked #241 in terms of Hispanic residents as a share of the population.

Castle Rock is more Hispanic than neighboring Castle Pines Village (4.5% Hispanic), Castle Pines (6.8% Hispanic), Franktown (6.6% Hispanic), and The Pinery (7.3% Hispanic). Castle Rock is less Hispanic than neighboring Sedalia (11.9% Hispanic).

Castle Rock's Native American/Other Population

640 residents of Castle Rock identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.9%. This makes the Native American/Other share of the population of Castle Rock roughly similar to the Native American/Other share of the population of Colorado (1.3% Native American/Other). Of the 482 places in Colorado, Castle Rock is ranked #257 in terms of Native American/Other residents as a share of the population.

Castle Rock is more Native American/Other than neighboring Castle Pines Village (0.3% Native American/Other), Castle Pines (0.7% Native American/Other), The Pinery (0.8% Native American/Other), and Sedalia (0.6% Native American/Other). Castle Rock is less Native American/Other than neighboring Franktown (1.7% Native American/Other).

Castle Rock's Multiracial Population

3,921 residents of Castle Rock identify as Multiracial, or 5.4%. This makes the Multiracial share of the population of Castle Rock roughly similar to the Multiracial share of the population of Colorado (4.5% Multiracial). Of the 482 places in Colorado, Castle Rock is ranked #88 in terms of Multiracial residents as a share of the population.

Castle Rock is more Multiracial than neighboring Castle Pines Village (3.5% Multiracial), Castle Pines (4.5% Multiracial), Franktown (5.1% Multiracial), The Pinery (4.2% Multiracial), and Sedalia (5.1% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.