Castle Rock, CO population age distributions
A complete breakdown of Castle Rock's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 5 years | 5,329 | 7.2% |
| 5 to 9 years | 6,364 | 8.59% |
| 10 to 14 years | 5,090 | 6.87% |
| 15 to 19 years | 5,358 | 7.23% |
| 20 to 24 years | 4,254 | 5.74% |
| 25 to 29 years | 3,841 | 5.19% |
| 30 to 34 years | 5,697 | 7.69% |
| 35 to 39 years | 6,038 | 8.15% |
| 40 to 44 years | 6,042 | 8.16% |
| 45 to 49 years | 5,888 | 7.95% |
| 50 to 54 years | 4,543 | 6.13% |
| 55 to 59 years | 4,144 | 5.6% |
| 60 to 64 years | 3,795 | 5.12% |
| 65 to 69 years | 2,773 | 3.74% |
| 70 to 74 years | 1,975 | 2.67% |
| 75 to 79 years | 1,571 | 2.12% |
| 80 to 84 years | 661 | 0.89% |
| 85 years and over | 702 | 0.95% |
TABLE OF CONTENTS
Castle Rock, CO population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Castle Rock, CO population by age group.
The largest age group is 5 to 9 years with a population of 6,364 (8.59% of the total population).
The largest age group in Castle Rock, CO was for the group of age 5 to 9 years with a population of 6,364 (8.59%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Castle Rock, CO was the 80 to 84 years with a population of 661 (0.89%).
Castle Rock, CO population by age cohort
To better understand the age distribution of Castle Rock, CO's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above
FIGURE 2
Castle Rock, CO population by age cohort
The largest age group was 18 to 64 years with a population of 46,033 (62.15% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Castle Rock 's population under 18 was 27.48%, compared to the 22.11% nationwide.
- Castle Rock's working population (between 18 and 64) was 62.15%, compared to 61.36% nationwide.
- Castle Rock's elderly or the senior population (over 65 age) was 10.37% as compared to 16.53% nationwide.
Castle Rock, CO population pyramid
Population pyramid for Castle Rock, CO is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the Castle Rock's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Castle Rock, CO, is 33.8.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Castle Rock, CO, is 15.5.
- Total dependency ratio for Castle Rock, CO is 49.3.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Castle Rock, CO is 6.5.
FIGURE 3
Castle Rock, CO population pyramid
Castle Rock population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Castle Rock, CO population pyramid
Here's the Castle Rock, CO's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 2,417 | 2,912 | 5,329 |
| 5 to 9 years | 3,182 | 3,182 | 6,364 |
| 10 to 14 years | 2,467 | 2,623 | 5,090 |
| 15 to 19 years | 2,493 | 2,865 | 5,358 |
| 20 to 24 years | 2,388 | 1,866 | 4,254 |
| 25 to 29 years | 2,285 | 1,556 | 3,841 |
| 30 to 34 years | 2,518 | 3,179 | 5,697 |
| 35 to 39 years | 3,062 | 2,976 | 6,038 |
| 40 to 44 years | 3,110 | 2,932 | 6,042 |
| 45 to 49 years | 3,225 | 2,663 | 5,888 |
| 50 to 54 years | 2,373 | 2,170 | 4,543 |
| 55 to 59 years | 2,216 | 1,928 | 4,144 |
| 60 to 64 years | 1,633 | 2,162 | 3,795 |
| 65 to 69 years | 1,266 | 1,507 | 2,773 |
| 70 to 74 years | 993 | 982 | 1,975 |
| 75 to 79 years | 650 | 921 | 1,571 |
| 80 to 84 years | 295 | 366 | 661 |
| 85 years and over | 213 | 489 | 702 |
Things to know
What is the population of Castle Rock, CO under 18?
Castle Rock's population under the age of 18 is 20,350, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 27.48% of the total resident population of Castle Rock, CO.
What is the aging population in Castle Rock, CO?
Castle Rock's population aged 65 years and above was 7,682. As per the U.S. Census Bureau's American Community Survey, this population is 10.37% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates