Rock City, IL population age distributions
A complete breakdown of Rock City'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 | 16 | 4.73% |
| 5 to 9 years | 35 | 10.36% |
| 10 to 14 years | 28 | 8.28% |
| 15 to 19 years | 30 | 8.88% |
| 20 to 24 years | 19 | 5.62% |
| 25 to 29 years | 18 | 5.33% |
| 30 to 34 years | 11 | 3.25% |
| 35 to 39 years | 22 | 6.51% |
| 40 to 44 years | 15 | 4.44% |
| 45 to 49 years | 19 | 5.62% |
| 50 to 54 years | 31 | 9.17% |
| 55 to 59 years | 24 | 7.1% |
| 60 to 64 years | 19 | 5.62% |
| 65 to 69 years | 9 | 2.66% |
| 70 to 74 years | 20 | 5.92% |
| 75 to 79 years | 7 | 2.07% |
| 80 to 84 years | 9 | 2.66% |
| 85 years and over | 6 | 1.78% |
TABLE OF CONTENTS
Rock City, IL population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Rock City, IL population by age group.
The largest age group is 5 to 9 years with a population of 35 (10.36% of the total population).
The largest age group in Rock City, IL was for the group of age 5 to 9 years with a population of 35 (10.36%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Rock City, IL was the 85 years and over with a population of 6 (1.78%).
Rock City, IL population by age cohort
To better understand the age distribution of Rock City, IL'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
Rock City, IL population by age cohort
The largest age group was 18 to 64 years with a population of 189 (55.92% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Rock City 's population under 18 was 28.99%, compared to the 22.11% nationwide.
- Rock City's working population (between 18 and 64) was 55.92%, compared to 61.36% nationwide.
- Rock City's elderly or the senior population (over 65 age) was 15.09% as compared to 16.53% nationwide.
Rock City, IL population pyramid
Population pyramid for Rock City, IL 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 Rock City's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Rock City, IL, is 38.0.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Rock City, IL, is 24.5.
- Total dependency ratio for Rock City, IL is 62.5.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Rock City, IL is 4.1.
FIGURE 3
Rock City, IL population pyramid
Rock City population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Rock City, IL population pyramid
Here's the Rock City, IL's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 13 | 3 | 16 |
| 5 to 9 years | 25 | 10 | 35 |
| 10 to 14 years | 19 | 9 | 28 |
| 15 to 19 years | 16 | 14 | 30 |
| 20 to 24 years | 5 | 14 | 19 |
| 25 to 29 years | 11 | 7 | 18 |
| 30 to 34 years | 9 | 2 | 11 |
| 35 to 39 years | 14 | 8 | 22 |
| 40 to 44 years | 0 | 15 | 15 |
| 45 to 49 years | 10 | 9 | 19 |
| 50 to 54 years | 19 | 12 | 31 |
| 55 to 59 years | 6 | 18 | 24 |
| 60 to 64 years | 13 | 6 | 19 |
| 65 to 69 years | 1 | 8 | 9 |
| 70 to 74 years | 9 | 11 | 20 |
| 75 to 79 years | 4 | 3 | 7 |
| 80 to 84 years | 2 | 7 | 9 |
| 85 years and over | 2 | 4 | 6 |
Things to know
What is the population of Rock City, IL under 18?
Rock City's population under the age of 18 is 98, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 28.99% of the total resident population of Rock City, IL.
What is the aging population in Rock City, IL?
Rock City's population aged 65 years and above was 51. As per the U.S. Census Bureau's American Community Survey, this population is 15.09% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates