Grundy Center, IA population age distributions
A complete breakdown of Grundy Center'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 | 138 | 4.94% |
| 5 to 9 years | 232 | 8.31% |
| 10 to 14 years | 264 | 9.46% |
| 15 to 19 years | 192 | 6.88% |
| 20 to 24 years | 113 | 4.05% |
| 25 to 29 years | 117 | 4.19% |
| 30 to 34 years | 177 | 6.34% |
| 35 to 39 years | 278 | 9.96% |
| 40 to 44 years | 165 | 5.91% |
| 45 to 49 years | 116 | 4.15% |
| 50 to 54 years | 102 | 3.65% |
| 55 to 59 years | 159 | 5.69% |
| 60 to 64 years | 168 | 6.02% |
| 65 to 69 years | 161 | 5.77% |
| 70 to 74 years | 121 | 4.33% |
| 75 to 79 years | 102 | 3.65% |
| 80 to 84 years | 116 | 4.15% |
| 85 years and over | 71 | 2.54% |
TABLE OF CONTENTS
Grundy Center, IA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Grundy Center, IA population by age group.
The largest age group is 35 to 39 years with a population of 278 (9.96% of the total population).
The largest age group in Grundy Center, IA was for the group of age 35 to 39 years with a population of 278 (9.96%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Grundy Center, IA was the 85 years and over with a population of 71 (2.54%).
Grundy Center, IA population by age cohort
To better understand the age distribution of Grundy Center, 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
Grundy Center, IA population by age cohort
The largest age group was 18 to 64 years with a population of 1,462 (52.36% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Grundy Center 's population under 18 was 27.18%, compared to the 22.11% nationwide.
- Grundy Center's working population (between 18 and 64) was 52.36%, compared to 61.36% nationwide.
- Grundy Center's elderly or the senior population (over 65 age) was 20.45% as compared to 16.53% nationwide.
Grundy Center, IA population pyramid
Population pyramid for Grundy Center, 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 Grundy Center's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Grundy Center, IA, is 39.9.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Grundy Center, IA, is 36.0.
- Total dependency ratio for Grundy Center, IA is 75.9.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Grundy Center, IA is 2.8.
FIGURE 3
Grundy Center, IA population pyramid
Grundy Center population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Grundy Center, IA population pyramid
Here's the Grundy Center, IA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 74 | 64 | 138 |
| 5 to 9 years | 101 | 131 | 232 |
| 10 to 14 years | 88 | 176 | 264 |
| 15 to 19 years | 102 | 90 | 192 |
| 20 to 24 years | 55 | 58 | 113 |
| 25 to 29 years | 52 | 65 | 117 |
| 30 to 34 years | 103 | 74 | 177 |
| 35 to 39 years | 129 | 149 | 278 |
| 40 to 44 years | 92 | 73 | 165 |
| 45 to 49 years | 34 | 82 | 116 |
| 50 to 54 years | 55 | 47 | 102 |
| 55 to 59 years | 64 | 95 | 159 |
| 60 to 64 years | 73 | 95 | 168 |
| 65 to 69 years | 66 | 95 | 161 |
| 70 to 74 years | 51 | 70 | 121 |
| 75 to 79 years | 15 | 87 | 102 |
| 80 to 84 years | 46 | 70 | 116 |
| 85 years and over | 30 | 41 | 71 |
Things to know
What is the population of Grundy Center, IA under 18?
Grundy Center's population under the age of 18 is 759, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 27.18% of the total resident population of Grundy Center, IA.
What is the aging population in Grundy Center, IA?
Grundy Center's population aged 65 years and above was 571. As per the U.S. Census Bureau's American Community Survey, this population is 20.45% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates