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Below is information on the population, racial profile, house hold count, and sex/age profiles for the city of Castle Rock. These results are gathered once every 10 years and may not be 100% accurate or up to date.
The population for Castle Rock, Colorado is approximatly 20224.
Racial profile for Castle Rock:
| White : | 18980 |
| Black : | 95 |
| Native American : | 126 |
| Asian : | 222 |
| Pacific Islander : | 13 |
| Other : | 376 |
| * results may not accumulate to total population due to mixed race individuals | |
Population by age for males in Castle Rock, Colorado :
| 18 - 19 : | 225 |
| 20 : | 99 |
| 21 : | 84 |
| 22 - 24 : | 317 |
| 25 - 29 : | 756 |
| 30 - 34 : | 972 |
| 35 - 39 : | 1101 |
| 40 - 44 : | 975 |
| 45 - 49 : | 746 |
| 50 - 54 : | 583 |
| 55 - 59 : | 347 |
| 60 - 61 : | 104 |
| 62 - 64 : | 135 |
| 65 - 66 : | 69 |
| 67 - 69 : | 91 |
| 70 - 74 : | 113 |
| 75 - 79 : | 64 |
| 80 - 84 : | 32 |
| 85+ : | 23 |
Population by age for females in Castle Rock, Colorado :
| 18 - 19 : | 196 |
| 20 : | 94 |
| 21 : | 94 |
| 22 - 24 : | 293 |
| 25 - 29 : | 818 |
| 30 - 34 : | 1017 |
| 35 - 39 : | 1114 |
| 40 - 44 : | 975 |
| 45 - 49 : | 740 |
| 50 - 54 : | 503 |
| 55 - 59 : | 365 |
| 60 - 61 : | 108 |
| 62 - 64 : | 126 |
| 65 - 66 : | 69 |
| 67 - 69 : | 94 |
| 70 - 74 : | 151 |
| 75 - 79 : | 107 |
| 80 - 84 : | 77 |
| 85+ : | 65 |
The total amount of households in Castle Rock, Colorado is 7226. With 20062 people of the population in these households. The average household size is 2.78.
17595 people in Castle Rock, Colorado are part of a family. The average family size in Castle Rock is 3.18 people.
There are 5201 married families in Castle Rock, Colorado.
Number of married families by number of members in the family :
| 0 - 2 : | 1029 | 3 - 4 : | 674 | 5 : | 311 | 6 - 11 : | 1834 | 12 - 17 : | 1353 |