Collier County, FL Population by Age

The median age in Collier County, FL is 53.1, as per 2019-2023 ACS 5 -Year Estimates. Of the total population, 13.35% were under the age of 15, 13.77% aged 15 to 29, 39.33% aged 30 to 64, 29.26% aged 65 to 84, and 4.30% were 85 years of age and older.
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Updated Feb 22, 2025

Collier County, FL population age distributions

A complete breakdown of Collier 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 15,948 4.11%
5 to 9 years 16,806 4.34%
10 to 14 years 18,984 4.9%
15 to 19 years 18,936 4.88%
20 to 24 years 17,258 4.45%
25 to 29 years 17,215 4.44%
30 to 34 years 17,814 4.6%
35 to 39 years 19,177 4.95%
40 to 44 years 18,518 4.78%
45 to 49 years 19,623 5.06%
50 to 54 years 22,586 5.83%
55 to 59 years 26,651 6.87%
60 to 64 years 28,073 7.24%
65 to 69 years 32,609 8.41%
70 to 74 years 29,893 7.71%
75 to 79 years 30,647 7.91%
80 to 84 years 20,268 5.23%
85 years and over 16,675 4.3%
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Collier County, FL population by age group

Key stats
87,932
Population under 25 years
72,724
Population aged 25-44
96,933
Population aged 45-64
130,092
Population aged 65+

Sources: U.S. Census Bureau, American Community Survey (ACS) 2019-2023

FIGURE 1

Collier County, FL population by age group.

The largest age group is 65 to 69 years with a population of 32,609 (8.41% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

The largest age group in Collier County, FL was for the group of age 65 to 69 years with a population of 32,609 (8.41%), according to the 2019-2023 American Community Survey.

At the same time, the smallest age group in Collier County, FL was the Under 5 years with a population of 15,948 (4.11%).

Collier County, FL population by age cohort

To better understand the age distribution of Collier County, FL'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

Collier County, FL population by age cohort

The largest age group was 18 to 64 years with a population of 193,952 (50.03% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Collier County, FL population by age cohort

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

Age Group Population % of Total Population
Under 18 years 63,637 16.41%
18 to 64 years 193,952 50.03%
65 years and over 130,092 33.56%
Exploring Collier 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:

  • Collier County 's population under 18 was 16.41%, compared to the 22.16% nationwide.
  • Collier County's working population (between 18 and 64) was 50.03%, compared to 61% nationwide.
  • Collier County's elderly or the senior population (over 65 age) was 33.56% as compared to 16.84% nationwide.

Collier County, FL population pyramid

Population pyramid for Collier County, FL 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 Collier County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Collier County, FL, is 25.1.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Collier County, FL, is 63.2.
  • Total dependency ratio for Collier County, FL is 88.3.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Collier County, FL is 1.6.

FIGURE 3

Collier County, FL population pyramid

Collier 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) 2019-2023 5-Year Estimates.

Collier County, FL population pyramid

Here's the Collier County, FL's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 8,071 7,877 15,948
5 to 9 years 8,455 8,351 16,806
10 to 14 years 9,835 9,149 18,984
15 to 19 years 9,774 9,162 18,936
20 to 24 years 8,992 8,266 17,258
25 to 29 years 8,893 8,322 17,215
30 to 34 years 9,355 8,459 17,814
35 to 39 years 9,934 9,243 19,177
40 to 44 years 9,339 9,179 18,518
45 to 49 years 9,634 9,989 19,623
50 to 54 years 11,015 11,571 22,586
55 to 59 years 13,342 13,309 26,651
60 to 64 years 12,775 15,298 28,073
65 to 69 years 15,629 16,980 32,609
70 to 74 years 13,704 16,189 29,893
75 to 79 years 14,527 16,120 30,647
80 to 84 years 9,639 10,629 20,268
85 years and over 8,418 8,257 16,675
Exploring Collier County's Diversity? Request Customized Data Now!

Things to know

What is the population of Collier County, FL under 18?

Collier County's population under the age of 18 is 63,637, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 16.41% of the total resident population of Collier County, FL.

What is the aging population in Collier County, FL?

Collier County's population aged 65 years and above was 130,092. As per the U.S. Census Bureau's American Community Survey, this population is 33.56% of the entire population.

References

Datasets

Explore datasets by year of publication.
2025
Collier County, FL Age Group Population Dataset: A Complete Breakdown of Collier County Age Demographics from 0 to 85 Years and Over, Distributed Across 18 Age Groups // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

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

Key observations

The largest age group in Collier County, FL was for the group of age 65 to 69 years years with a population of 32,609 (8.41%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in Collier County, FL was the Under 5 years years with a population of 15,948 (4.11%). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Collier County is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Collier 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 Collier County Population by Age. You can refer the same here

Collier County, FL Age Cohorts Dataset: Children, Working Adults, and Seniors in Collier County - Population and Percentage Analysis // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the Collier 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 Collier 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 193,952 (50.03% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Collier County population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Collier County is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Collier 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 Collier County Population by Age. You can refer the same here

Collier County, FL Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Collier County, FL population pyramid, which represents the Collier County population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Collier County, FL, is 25.1.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Collier County, FL, is 63.2.
  • Total dependency ratio for Collier County, FL is 88.3.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Collier County, FL is 1.6.
Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Collier County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Collier County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Collier County for the selected age group is shown in the following column.
  • Total Population: The total population of the Collier 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 Collier 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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