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Hamilton County, IL Population by Age

The median age in Hamilton County, IL is 43.0, as per 2018-2022 ACS 5 -Year Estimates. Of the total population, 17.60% were under the age of 15, 17.10% aged 15 to 29, 43.23% aged 30 to 64, 18.72% aged 65 to 84, and 3.35% were 85 years of age and older.
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By Neilsberg Research
Updated Jul 26, 2024

Hamilton County, IL population age distributions

A complete breakdown of Hamilton County'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 447 5.58%
5 to 9 years 452 5.64%
10 to 14 years 511 6.38%
15 to 19 years 421 5.26%
20 to 24 years 479 5.98%
25 to 29 years 469 5.86%
30 to 34 years 441 5.51%
35 to 39 years 435 5.43%
40 to 44 years 515 6.43%
45 to 49 years 452 5.64%
50 to 54 years 465 5.81%
55 to 59 years 594 7.42%
60 to 64 years 560 6.99%
65 to 69 years 406 5.07%
70 to 74 years 530 6.62%
75 to 79 years 353 4.41%
80 to 84 years 210 2.62%
85 years and over 268 3.35%
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Hamilton County, IL population by age group

Key stats
2,310
Population under 25 years
1,860
Population aged 25-44
2,071
Population aged 45-64
1,767
Population aged 65+

Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022

FIGURE 1

Hamilton County, IL population by age group.

The largest age group is 55 to 59 years with a population of 594 (7.42% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.
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The largest age group in Hamilton County, IL was for the group of age 55 to 59 years with a population of 594 (7.42%), according to the 2018-2022 American Community Survey.

At the same time, the smallest age group in Hamilton County, IL was the 80 to 84 years with a population of 210 (2.62%).

Hamilton County, IL population by age cohort

To better understand the age distribution of Hamilton County, IL'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

Hamilton County, IL population by age cohort

The largest age group was 18 to 64 years with a population of 4,488 (56.04% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.
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Hamilton County, IL population by age cohort

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

Age Group Population % of Total Population
Under 18 years 1,753 21.89%
18 to 64 years 4,488 56.04%
65 years and over 1,767 22.07%
Exploring Hamilton County's Diversity? Request Customized Data Now!

Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Hamilton County 's population under 18 was 21.89%, compared to the 22.11% nationwide.
  • Hamilton County's working population (between 18 and 64) was 56.04%, compared to 61.36% nationwide.
  • Hamilton County's elderly or the senior population (over 65 age) was 22.07% as compared to 16.53% nationwide.

Hamilton County, IL population pyramid

Population pyramid for Hamilton County, IL 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 Hamilton County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Hamilton County, IL, is 29.2.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Hamilton County, IL, is 36.6.
  • Total dependency ratio for Hamilton County, IL is 65.8.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Hamilton County, IL is 2.7.

FIGURE 3

Hamilton County, IL population pyramid

Hamilton County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.
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Hamilton County, IL population pyramid

Here's the Hamilton County, IL's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 235 212 447
5 to 9 years 191 261 452
10 to 14 years 270 241 511
15 to 19 years 235 186 421
20 to 24 years 239 240 479
25 to 29 years 232 237 469
30 to 34 years 210 231 441
35 to 39 years 245 190 435
40 to 44 years 251 264 515
45 to 49 years 233 219 452
50 to 54 years 238 227 465
55 to 59 years 339 255 594
60 to 64 years 253 307 560
65 to 69 years 233 173 406
70 to 74 years 226 304 530
75 to 79 years 144 209 353
80 to 84 years 76 134 210
85 years and over 115 153 268
Exploring Hamilton County's Diversity? Request Customized Data Now!

Things to know

What is the population of Hamilton County, IL under 18?

Hamilton County's population under the age of 18 is 1,753, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.89% of the total resident population of Hamilton County, IL.

What is the aging population in Hamilton County, IL?

Hamilton County's population aged 65 years and above was 1,767. As per the U.S. Census Bureau's American Community Survey, this population is 22.07% of the entire population.

References

Datasets

Explore datasets by year of publication.
2024
Hamilton County, IL Age Group Population Dataset: A Complete Breakdown of Hamilton County Age Demographics from 0 to 85 Years and Over, Distributed Across 18 Age Groups // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the Hamilton County 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 Hamilton County. The dataset can be utilized to understand the population distribution of Hamilton County by age. For example, using this dataset, we can identify the largest age group in Hamilton County.

Key observations

The largest age group in Hamilton County, IL was for the group of age 55 to 59 years years with a population of 594 (7.42%), according to the ACS 2018-2022 5-Year Estimates. At the same time, the smallest age group in Hamilton County, IL was the 80 to 84 years years with a population of 210 (2.62%). Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Hamilton County is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Hamilton County 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 Hamilton County Population by Age. You can refer the same here

Hamilton County, IL Age Cohorts Dataset: Children, Working Adults, and Seniors in Hamilton County - Population and Percentage Analysis // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the Hamilton County 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 Hamilton County. 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 18 to 64 years with a poulation of 4,488 (56.04% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Hamilton County population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Hamilton County is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Hamilton County 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 Hamilton County Population by Age. You can refer the same here

Hamilton County, IL Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Hamilton County, IL population pyramid, which represents the Hamilton County population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Hamilton County, IL, is 29.2.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Hamilton County, IL, is 36.6.
  • Total dependency ratio for Hamilton County, IL is 65.8.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Hamilton County, IL is 2.7.
Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Hamilton County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Hamilton County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Hamilton County for the selected age group is shown in the following column.
  • Total Population: The total population of the Hamilton County 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 Hamilton County 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.

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