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Grundy Center, IA Population by Age

The median age in Grundy Center, IA is 39.5, as per 2021 ACS 5-Year Estimates. Of the total population, 22.75% were under the age of 15, 13.76% aged 15 to 29, 42.44% aged 30 to 64, 17.68% aged 65 to 84, and 3.38% were 85 years of age and older.
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By Neilsberg Research
Updated Sep 17, 2023

Grundy Center, IA population age distribution

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 120 4.31%
5 to 9 years 230 8.26%
10 to 14 years 283 10.17%
15 to 19 years 204 7.33%
20 to 24 years 87 3.13%
25 to 29 years 92 3.31%
30 to 34 years 160 5.75%
35 to 39 years 249 8.95%
40 to 44 years 204 7.33%
45 to 49 years 128 4.6%
50 to 54 years 127 4.56%
55 to 59 years 175 6.29%
60 to 64 years 138 4.96%
65 to 69 years 140 5.03%
70 to 74 years 129 4.64%
75 to 79 years 108 3.88%
80 to 84 years 115 4.13%
85 years and over 94 3.38%
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TABLE OF CONTENTS

Grundy Center, IA population by age group

Key stats
924
Population under 25 years
705
Population aged 25-44
568
Population aged 45-64
586
Population aged 65+

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The graph shows Grundy Center's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
Grundy Center, IA population by age group. The largest age group was 10-14 years with a poulation of 283 (10.17% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Grundy Center, IA was for the group of age 10-14 years with a population of 283 (10.17%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Grundy Center, IA was the 20-24 years with a population of 87 (3.13%).

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
The pie chart shows Grundy Center's population divided into segments, with each segment representing an age cohort. The area of each segment is in the same proportion of a circle as the population of the cohort is of the total population.
Grundy Center, IA population by age cohorts (Children: Under 18 years; Working population: 18-64 years; Senior population: 65 years or more). The largest age group was 18 - 64 years with a poulation of 1,413 (50.77% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the population for each of the three cohorts.

Age Group Population % of Total Population
Under 18 years 784 28.17%
18 to 64 years 1,413 50.77%
85 years and over 586 21.06%
Exploring Grundy Center's Diversity? Request Customized Data Now!

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 28.17%, compared to the 22.51% nationwide.
  • Grundy Center's working population (between 18 and 64) was 50.77%, compared to 61.45% nationwide.
  • Grundy Center's elderly or the senior population (over 65 age) was 21.06% as compared to 16.04% 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 40.5.
  • 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 37.5.
  • Total dependency ratio for Grundy Center, IA is 77.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Grundy Center, IA is 2.7.
The graph shows Grundy Center's population across different age group and gender, with population on x-axis and population y-axis. The male population is plotted on the left in blue color whereas the female population is plotted on the right in pink color.
Grundy Center, IA population pyramid i.e. Grundy Center population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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 59 61 120
5 to 9 years 110 120 230
10 to 14 years 111 172 283
15 to 19 years 110 94 204
20 to 24 years 49 38 87
25 to 29 years 45 47 92
30 to 34 years 85 75 160
35 to 39 years 109 140 249
40 to 44 years 125 79 204
45 to 49 years 42 86 128
50 to 54 years 70 57 127
55 to 59 years 83 92 175
60 to 64 years 54 84 138
65 to 69 years 49 91 140
70 to 74 years 52 77 129
75 to 79 years 29 79 108
80 to 84 years 50 65 115
85 years and over 38 56 94
Exploring Grundy Center's Diversity? Request Customized Data Now!

Things to know

What is the population of Grundy Center, IA under 18?

Grundy Center's population under the age of 18 is 784, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 28.17% 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 586. As per the U.S. Census Bureau's American Community Survey, this population is 21.06% of the entire population.

References

Datasets

Explore datasets by year of publication.
2023
Grundy Center, IA Age Group Population Dataset: A complete breakdown of Grundy Center age demographics from 0 to 85 years, distributed across 18 age groups
Last updated September 16, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Grundy Center population distribution across 18 age groups. It lists the population in each age group along with the percentage population relative of the total population for Grundy Center. The dataset can be utilized to understand the population distribution of Grundy Center by age. For example, using this dataset, we can identify the largest age group in Grundy Center.

Key observations

The largest age group in Grundy Center, IA was for the group of age 10-14 years with a population of 283 (10.17%), according to the 2021 American Community Survey. At the same time, the smallest age group in Grundy Center, IA was the 20-24 years with a population of 87 (3.13%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Grundy Center population by age group

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Age groups:

  • Under 5 years
  • 5 to 9 years
  • 10 to 14 years
  • 15 to 19 years
  • 20 to 24 years
  • 25 to 29 years
  • 30 to 34 years
  • 35 to 39 years
  • 40 to 44 years
  • 45 to 49 years
  • 50 to 54 years
  • 55 to 59 years
  • 60 to 64 years
  • 65 to 69 years
  • 70 to 74 years
  • 75 to 79 years
  • 80 to 84 years
  • 85 years and over

Variables / Data Columns

  • Age Group: This column displays the age group in consideration
  • Population: The population for the specific age group in the Grundy Center is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Grundy Center total population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Grundy Center Population by Age. You can refer the same here

Grundy Center, IA Age Cohorts Dataset: Children, Working Adults, and Seniors in Grundy Center - Population and Percentage Analysis
Last updated September 16, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Grundy Center population by age cohorts (Children: Under 18 years; Working population: 18-64 years; Senior population: 65 years or more). It lists the population in each age cohort group along with its percentage relative to the total population of Grundy Center. The dataset can be utilized to understand the population distribution across children, working population and senior population for dependency ratio, housing requirements, ageing, migration patterns etc.

Key observations

The largest age group was $b3_v1 with a poulation of $b3_v2 ($b3_v3 of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Grundy Center population by age cohort

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Age cohorts:

  • Under 18 years
  • 18 to 64 years
  • 65 years and over

Variables / Data Columns

  • Age Group: This column displays the age cohort for the Grundy Center population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Grundy Center is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Grundy Center is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Grundy Center Population by Age. You can refer the same here

Grundy Center, IA Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis
Last updated September 16, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Grundy Center, IA population pyramid, which represents the Grundy Center population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey 5-Year estimates. It lists the male and female population for each age group, along with the total population for those age groups. Higher numbers at the bottom of the table suggest population growth, whereas higher numbers at the top indicate declining birth rates. Furthermore, the dataset can be utilized to understand the youth dependency ratio, old-age dependency ratio, total dependency ratio, and potential support ratio.

Key observations

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Grundy Center, IA, is 40.5.
  • 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 37.5.
  • Total dependency ratio for Grundy Center, IA is 77.9.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Grundy Center, IA is 2.7.

Grundy Center population pyramid

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Age groups:

  • Under 5 years
  • 5 to 9 years
  • 10 to 14 years
  • 15 to 19 years
  • 20 to 24 years
  • 25 to 29 years
  • 30 to 34 years
  • 35 to 39 years
  • 40 to 44 years
  • 45 to 49 years
  • 50 to 54 years
  • 55 to 59 years
  • 60 to 64 years
  • 65 to 69 years
  • 70 to 74 years
  • 75 to 79 years
  • 80 to 84 years
  • 85 years and over

Variables / Data Columns

  • Age Group: This column displays the age group for the Grundy Center population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Grundy Center for the selected age group is shown in the following column.
  • Population (Female): The female population in the Grundy Center for the selected age group is shown in the following column.
  • Total Population: The total population of the Grundy Center for the selected age group is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Grundy Center Population by Age. You can refer the same here

If you're looking for datasets from another year, please feel free to contact us at research@neilsberg.com and we'll be happy to assist you further.

Explore related topics

Grundy Center, IA Demographics Grundy Center, IA Population

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Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.
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Collection 5 Resources