South Miami, FL Population by Age

The median age in South Miami, FL is 39.9, as per 2019-2023 ACS 5 -Year Estimates. Of the total population, 17.33% were under the age of 15, 21.30% aged 15 to 29, 45.69% aged 30 to 64, 13.53% aged 65 to 84, and 2.15% were 85 years of age and older.
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Updated Feb 22, 2025

South Miami, FL population age distributions

A complete breakdown of South Miami'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 780 6.54%
5 to 9 years 622 5.22%
10 to 14 years 664 5.57%
15 to 19 years 415 3.48%
20 to 24 years 1,042 8.74%
25 to 29 years 1,083 9.08%
30 to 34 years 842 7.06%
35 to 39 years 526 4.41%
40 to 44 years 825 6.92%
45 to 49 years 696 5.84%
50 to 54 years 717 6.01%
55 to 59 years 904 7.58%
60 to 64 years 939 7.87%
65 to 69 years 840 7.04%
70 to 74 years 462 3.87%
75 to 79 years 211 1.77%
80 to 84 years 101 0.85%
85 years and over 257 2.15%
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South Miami, FL population by age group

Key stats
3,523
Population under 25 years
3,276
Population aged 25-44
3,256
Population aged 45-64
1,871
Population aged 65+

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

FIGURE 1

South Miami, FL population by age group.

The largest age group is 25 to 29 years with a population of 1,083 (9.08% of the total population).

0-45-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+0%1%2%3%4%5%6%7%8%9%
Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

The largest age group in South Miami, FL was for the group of age 25 to 29 years with a population of 1,083 (9.08%), according to the 2019-2023 American Community Survey.

At the same time, the smallest age group in South Miami, FL was the 80 to 84 years with a population of 101 (0.85%).

South Miami, FL population by age cohort

To better understand the age distribution of South Miami, 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

South Miami, FL population by age cohort

The largest age group was 18 to 64 years with a population of 7,753 (65.01% of the total population).

19.3%65.01%15.69%Under 18 years18-64 years65 years and over
Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

South Miami, FL population by age cohort

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

Age Group Population % of Total Population
Under 18 years 2,302 19.3%
18 to 64 years 7,753 65.01%
65 years and over 1,871 15.69%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • South Miami 's population under 18 was 19.30%, compared to the 22.16% nationwide.
  • South Miami's working population (between 18 and 64) was 65.01%, compared to 61% nationwide.
  • South Miami's elderly or the senior population (over 65 age) was 15.69% as compared to 16.84% nationwide.

South Miami, FL population pyramid

Population pyramid for South Miami, 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 South Miami's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for South Miami, FL, is 25.9.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for South Miami, FL, is 23.4.
  • Total dependency ratio for South Miami, FL is 49.3.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for South Miami, FL is 4.3.

FIGURE 3

South Miami, FL population pyramid

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

0-45-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+490316316256552528587214462340252553395313150883810029030634815949055525531236335646535154452731212363157Male PopulationFemale Population
Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

South Miami, FL population pyramid

Here's the South Miami, FL's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 490 290 780
5 to 9 years 316 306 622
10 to 14 years 316 348 664
15 to 19 years 256 159 415
20 to 24 years 552 490 1,042
25 to 29 years 528 555 1,083
30 to 34 years 587 255 842
35 to 39 years 214 312 526
40 to 44 years 462 363 825
45 to 49 years 340 356 696
50 to 54 years 252 465 717
55 to 59 years 553 351 904
60 to 64 years 395 544 939
65 to 69 years 313 527 840
70 to 74 years 150 312 462
75 to 79 years 88 123 211
80 to 84 years 38 63 101
85 years and over 100 157 257
Exploring South Miami's Diversity? Request Customized Data Now!

Things to know

What is the population of South Miami, FL under 18?

South Miami's population under the age of 18 is 2,302, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.30% of the total resident population of South Miami, FL.

What is the aging population in South Miami, FL?

South Miami's population aged 65 years and above was 1,871. As per the U.S. Census Bureau's American Community Survey, this population is 15.69% of the entire population.

References

Datasets

Explore datasets by year of publication.
2025
South Miami, FL Age Group Population Dataset: A Complete Breakdown of South Miami 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 South Miami 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 South Miami. The dataset can be utilized to understand the population distribution of South Miami by age. For example, using this dataset, we can identify the largest age group in South Miami.

Key observations

The largest age group in South Miami, FL was for the group of age 25 to 29 years years with a population of 1,083 (9.08%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in South Miami, FL was the 80 to 84 years years with a population of 101 (0.85%). 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 South Miami is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of South Miami 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 South Miami Population by Age. You can refer the same here

South Miami, FL Age Cohorts Dataset: Children, Working Adults, and Seniors in South Miami - 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 South Miami 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 South Miami. 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 7,753 (65.01% 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 South Miami population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in South Miami is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the South Miami 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 South Miami Population by Age. You can refer the same here

South Miami, 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 South Miami, FL population pyramid, which represents the South Miami 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 South Miami, FL, is 25.9.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for South Miami, FL, is 23.4.
  • Total dependency ratio for South Miami, FL is 49.3.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for South Miami, FL is 4.3.
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 South Miami population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the South Miami for the selected age group is shown in the following column.
  • Population (Female): The female population in the South Miami for the selected age group is shown in the following column.
  • Total Population: The total population of the South Miami 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 South Miami 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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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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