Rock River Township, Michigan population age distribution
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 | 53 | 5.33% |
5 to 9 years | 61 | 6.13% |
10 to 14 years | 59 | 5.93% |
15 to 19 years | 29 | 2.91% |
20 to 24 years | 14 | 1.41% |
25 to 29 years | 41 | 4.12% |
30 to 34 years | 26 | 2.61% |
35 to 39 years | 73 | 7.34% |
40 to 44 years | 49 | 4.92% |
45 to 49 years | 65 | 6.53% |
50 to 54 years | 67 | 6.73% |
55 to 59 years | 117 | 11.76% |
60 to 64 years | 123 | 12.36% |
65 to 69 years | 57 | 5.73% |
70 to 74 years | 42 | 4.22% |
75 to 79 years | 68 | 6.83% |
80 to 84 years | 32 | 3.22% |
85 years and over | 19 | 1.91% |
TABLE OF CONTENTS
Rock River Township, Michigan population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
The largest age group in Rock River Township, Michigan was for the group of age 60-64 years with a population of 123 (12.36%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Rock River Township, Michigan was the 20-24 years with a population of 14 (1.41%).
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
Here's the population for each of the three cohorts.
Age Group | Population | % of Total Population |
---|---|---|
Under 18 years | 197 | 19.8% |
18 to 64 years | 580 | 58.29% |
85 years and over | 218 | 21.91% |
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 19.80%, compared to the 22.51% nationwide.
- Rock River township's working population (between 18 and 64) was 58.29%, compared to 61.45% nationwide.
- Rock River township's elderly or the senior population (over 65 age) was 21.91% as compared to 16.04% 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 28.6.
- 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 36.1.
- Total dependency ratio for Rock River Township, Michigan is 64.7.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Rock River Township, Michigan is 2.8.
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 | 19 | 34 | 53 |
5 to 9 years | 0 | 61 | 61 |
10 to 14 years | 36 | 23 | 59 |
15 to 19 years | 8 | 21 | 29 |
20 to 24 years | 7 | 7 | 14 |
25 to 29 years | 29 | 12 | 41 |
30 to 34 years | 10 | 16 | 26 |
35 to 39 years | 43 | 30 | 73 |
40 to 44 years | 40 | 9 | 49 |
45 to 49 years | 40 | 25 | 65 |
50 to 54 years | 26 | 41 | 67 |
55 to 59 years | 69 | 48 | 117 |
60 to 64 years | 79 | 44 | 123 |
65 to 69 years | 28 | 29 | 57 |
70 to 74 years | 29 | 13 | 42 |
75 to 79 years | 47 | 21 | 68 |
80 to 84 years | 23 | 9 | 32 |
85 years and over | 12 | 7 | 19 |
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 197, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.80% 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 218. As per the U.S. Census Bureau's American Community Survey, this population is 21.91% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates