Rock River Township, Michigan population age distributions
A complete breakdown of Rock River township'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 | 61 | 5.56% |
| 5 to 9 years | 46 | 4.19% |
| 10 to 14 years | 97 | 8.84% |
| 15 to 19 years | 62 | 5.65% |
| 20 to 24 years | 29 | 2.64% |
| 25 to 29 years | 37 | 3.37% |
| 30 to 34 years | 50 | 4.56% |
| 35 to 39 years | 56 | 5.1% |
| 40 to 44 years | 49 | 4.47% |
| 45 to 49 years | 101 | 9.21% |
| 50 to 54 years | 82 | 7.47% |
| 55 to 59 years | 81 | 7.38% |
| 60 to 64 years | 89 | 8.11% |
| 65 to 69 years | 76 | 6.93% |
| 70 to 74 years | 28 | 2.55% |
| 75 to 79 years | 56 | 5.1% |
| 80 to 84 years | 64 | 5.83% |
| 85 years and over | 33 | 3.01% |
TABLE OF CONTENTS
Rock River Township, Michigan population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Rock River Township, Michigan population by age group.
The largest age group is 45 to 49 years with a population of 101 (9.21% of the total population).
The largest age group in Rock River Township, Michigan was for the group of age 45 to 49 years with a population of 101 (9.21%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Rock River Township, Michigan was the 70 to 74 years with a population of 28 (2.55%).
Rock River Township, Michigan population by age cohort
To better understand the age distribution of Rock River Township, Michigan'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 River Township, Michigan population by age cohort
The largest age group was 18 to 64 years with a population of 578 (52.69% of the total population).
Rock River Township, Michigan population by age cohort
Here's the population for each of the three cohorts.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 18 years | 262 | 23.88% |
| 18 to 64 years | 578 | 52.69% |
| 65 years and over | 257 | 23.43% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Rock River township 's population under 18 was 23.88%, compared to the 22.11% nationwide.
- Rock River township's working population (between 18 and 64) was 52.69%, compared to 61.36% nationwide.
- Rock River township's elderly or the senior population (over 65 age) was 23.43% as compared to 16.53% nationwide.
Rock River Township, Michigan population pyramid
Population pyramid for Rock River Township, Michigan 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 River township's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Rock River Township, Michigan, is 32.1.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Rock River Township, Michigan, is 40.4.
- Total dependency ratio for Rock River Township, Michigan is 72.5.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Rock River Township, Michigan is 2.5.
FIGURE 3
Rock River Township, Michigan population pyramid
Rock River township population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Rock River Township, Michigan population pyramid
Here's the Rock River Township, Michigan's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 26 | 35 | 61 |
| 5 to 9 years | 0 | 46 | 46 |
| 10 to 14 years | 42 | 55 | 97 |
| 15 to 19 years | 42 | 20 | 62 |
| 20 to 24 years | 14 | 15 | 29 |
| 25 to 29 years | 11 | 26 | 37 |
| 30 to 34 years | 26 | 24 | 50 |
| 35 to 39 years | 44 | 12 | 56 |
| 40 to 44 years | 36 | 13 | 49 |
| 45 to 49 years | 65 | 36 | 101 |
| 50 to 54 years | 22 | 60 | 82 |
| 55 to 59 years | 38 | 43 | 81 |
| 60 to 64 years | 49 | 40 | 89 |
| 65 to 69 years | 34 | 42 | 76 |
| 70 to 74 years | 20 | 8 | 28 |
| 75 to 79 years | 31 | 25 | 56 |
| 80 to 84 years | 28 | 36 | 64 |
| 85 years and over | 17 | 16 | 33 |
Things to know
What is the population of Rock River Township, Michigan under 18?
Rock River township's population under the age of 18 is 262, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 23.88% of the total resident population of Rock River Township, Michigan.
What is the aging population in Rock River Township, Michigan?
Rock River township's population aged 65 years and above was 257. As per the U.S. Census Bureau's American Community Survey, this population is 23.43% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates