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Dorchester County, SC Population by Age

The median age in Dorchester County, SC is 37.8, as per 2021 ACS 5-Year Estimates. Of the total population, 20.10% were under the age of 15, 18.88% aged 15 to 29, 46.98% aged 30 to 64, 12.75% aged 65 to 84, and 1.30% were 85 years of age and older.
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By Neilsberg Research
Updated Sep 17, 2023

Dorchester County, SC population age distribution

A complete breakdown of Dorchester 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 9,322 5.82%
5 to 9 years 11,312 7.06%
10 to 14 years 11,557 7.22%
15 to 19 years 10,717 6.69%
20 to 24 years 8,912 5.56%
25 to 29 years 10,609 6.62%
30 to 34 years 11,058 6.9%
35 to 39 years 10,836 6.76%
40 to 44 years 11,162 6.97%
45 to 49 years 10,861 6.78%
50 to 54 years 10,742 6.71%
55 to 59 years 10,372 6.48%
60 to 64 years 10,221 6.38%
65 to 69 years 8,123 5.07%
70 to 74 years 6,286 3.92%
75 to 79 years 3,978 2.48%
80 to 84 years 2,037 1.27%
85 years and over 2,075 1.3%
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TABLE OF CONTENTS

Dorchester County, SC population by age group

Key stats
51,820
Population under 25 years
43,665
Population aged 25-44
42,196
Population aged 45-64
22,499
Population aged 65+

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

The graph shows Dorchester County'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
Dorchester County, SC population by age group. The largest age group was 10-14 years with a poulation of 11,557 (7.22% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Dorchester County, SC was for the group of age 10-14 years with a population of 11,557 (7.22%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Dorchester County, SC was the 80-84 years with a population of 2,037 (1.27%).

Dorchester County, SC population by age cohort

To better understand the age distribution of Dorchester County, SC'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 Dorchester County'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.
Dorchester County, SC 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 98,458 (61.47% 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 39,223 24.49%
18 to 64 years 98,458 61.47%
85 years and over 22,499 14.05%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Dorchester County's population under 18 was 24.49%, compared to the 22.51% nationwide.
  • Dorchester County's working population (between 18 and 64) was 61.47%, compared to 61.45% nationwide.
  • Dorchester County's elderly or the senior population (over 65 age) was 14.05% as compared to 16.04% nationwide.

Dorchester County, SC population pyramid

Population pyramid for Dorchester County, SC 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 Dorchester County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Dorchester County, SC, is 30.5.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Dorchester County, SC, is 21.3.
  • Total dependency ratio for Dorchester County, SC is 51.8.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Dorchester County, SC is 4.7.
The graph shows Dorchester County'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.
Dorchester County, SC population pyramid i.e. Dorchester County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Dorchester County, SC's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 4,685 4,637 9,322
5 to 9 years 5,357 5,955 11,312
10 to 14 years 6,395 5,162 11,557
15 to 19 years 5,412 5,305 10,717
20 to 24 years 4,622 4,290 8,912
25 to 29 years 5,317 5,292 10,609
30 to 34 years 5,409 5,649 11,058
35 to 39 years 5,105 5,731 10,836
40 to 44 years 5,418 5,744 11,162
45 to 49 years 5,381 5,480 10,861
50 to 54 years 5,328 5,414 10,742
55 to 59 years 5,123 5,249 10,372
60 to 64 years 4,701 5,520 10,221
65 to 69 years 3,723 4,400 8,123
70 to 74 years 2,988 3,298 6,286
75 to 79 years 1,739 2,239 3,978
80 to 84 years 927 1,110 2,037
85 years and over 764 1,311 2,075
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Things to know

What is the population of Dorchester County, SC under 18?

Dorchester County's population under the age of 18 is 39,223, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 24.49% of the total resident population of Dorchester County, SC.

What is the aging population in Dorchester County, SC?

Dorchester County's population aged 65 years and above was 22,499. As per the U.S. Census Bureau's American Community Survey, this population is 14.05% of the entire population.

References

Datasets

Dorchester County, SC Age Group Population Dataset: A complete breakdown of Dorchester County age demographics from 0 to 85 years, distributed across 18 age groups
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

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

Key observations

The largest age group in Dorchester County, SC was for the group of age 10-14 years with a population of 11,557 (7.22%), according to the 2021 American Community Survey. At the same time, the smallest age group in Dorchester County, SC was the 80-84 years with a population of 2,037 (1.27%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Dorchester County 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 Dorchester County is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Dorchester 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 Dorchester County Population by Age. You can refer the same here

Dorchester County, SC Age Cohorts Dataset: Children, Working Adults, and Seniors in Dorchester County - Population and Percentage Analysis
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Dorchester 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 Dorchester 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 $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.

Dorchester County 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 Dorchester County population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Dorchester County is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Dorchester 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 Dorchester County Population by Age. You can refer the same here

Dorchester County, SC Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Dorchester County, SC population pyramid, which represents the Dorchester County 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 Dorchester County, SC, is 30.5.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Dorchester County, SC, is 21.3.
  • Total dependency ratio for Dorchester County, SC is 51.8.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Dorchester County, SC is 4.7.

Dorchester County 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 Dorchester County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Dorchester County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Dorchester County for the selected age group is shown in the following column.
  • Total Population: The total population of the Dorchester 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 Dorchester County Population by Age. You can refer the same here

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About the author

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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