Rock Valley, IA population age distributions
A complete breakdown of Rock Valley'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 | 213 | 5.27% |
| 5 to 9 years | 344 | 8.5% |
| 10 to 14 years | 255 | 6.3% |
| 15 to 19 years | 204 | 5.04% |
| 20 to 24 years | 487 | 12.04% |
| 25 to 29 years | 129 | 3.19% |
| 30 to 34 years | 164 | 4.05% |
| 35 to 39 years | 180 | 4.45% |
| 40 to 44 years | 467 | 11.55% |
| 45 to 49 years | 174 | 4.3% |
| 50 to 54 years | 287 | 7.1% |
| 55 to 59 years | 132 | 3.26% |
| 60 to 64 years | 220 | 5.44% |
| 65 to 69 years | 206 | 5.09% |
| 70 to 74 years | 174 | 4.3% |
| 75 to 79 years | 213 | 5.27% |
| 80 to 84 years | 60 | 1.48% |
| 85 years and over | 136 | 3.36% |
TABLE OF CONTENTS
Rock Valley, IA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Rock Valley, IA population by age group.
The largest age group is 20 to 24 years with a population of 487 (12.04% of the total population).
The largest age group in Rock Valley, IA was for the group of age 20 to 24 years with a population of 487 (12.04%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Rock Valley, IA was the 80 to 84 years with a population of 60 (1.48%).
Rock Valley, IA population by age cohort
To better understand the age distribution of Rock Valley, IA'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 Valley, IA population by age cohort
The largest age group was 18 to 64 years with a population of 2,323 (57.43% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Rock Valley 's population under 18 was 23.07%, compared to the 22.11% nationwide.
- Rock Valley's working population (between 18 and 64) was 57.43%, compared to 61.36% nationwide.
- Rock Valley's elderly or the senior population (over 65 age) was 19.51% as compared to 16.53% nationwide.
Rock Valley, IA population pyramid
Population pyramid for Rock Valley, IA 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 Valley's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Rock Valley, IA, is 33.2.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Rock Valley, IA, is 32.3.
- Total dependency ratio for Rock Valley, IA is 65.5.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Rock Valley, IA is 3.1.
FIGURE 3
Rock Valley, IA population pyramid
Rock Valley population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Rock Valley, IA population pyramid
Here's the Rock Valley, IA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 74 | 139 | 213 |
| 5 to 9 years | 206 | 138 | 344 |
| 10 to 14 years | 154 | 101 | 255 |
| 15 to 19 years | 65 | 139 | 204 |
| 20 to 24 years | 227 | 260 | 487 |
| 25 to 29 years | 123 | 6 | 129 |
| 30 to 34 years | 63 | 101 | 164 |
| 35 to 39 years | 121 | 59 | 180 |
| 40 to 44 years | 245 | 222 | 467 |
| 45 to 49 years | 51 | 123 | 174 |
| 50 to 54 years | 183 | 104 | 287 |
| 55 to 59 years | 14 | 118 | 132 |
| 60 to 64 years | 132 | 88 | 220 |
| 65 to 69 years | 53 | 153 | 206 |
| 70 to 74 years | 91 | 83 | 174 |
| 75 to 79 years | 123 | 90 | 213 |
| 80 to 84 years | 8 | 52 | 60 |
| 85 years and over | 12 | 124 | 136 |
Things to know
What is the population of Rock Valley, IA under 18?
Rock Valley's population under the age of 18 is 933, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 23.07% of the total resident population of Rock Valley, IA.
What is the aging population in Rock Valley, IA?
Rock Valley's population aged 65 years and above was 789. As per the U.S. Census Bureau's American Community Survey, this population is 19.51% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates