Sergeant Bluff, IA Population by Age

The median age in Sergeant Bluff, IA is 35.3, as per 2021 ACS 5-Year Estimates. Of the total population, 27.60% were under the age of 15, 15.46% aged 15 to 29, 45.58% aged 30 to 64, 10.68% aged 65 to 84, and 0.69% were 85 years of age and older.
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Updated Sep 17, 2023

Sergeant Bluff, IA population age distribution

A complete breakdown of Sergeant Bluff'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 419 8.52%
5 to 9 years 429 8.72%
10 to 14 years 509 10.35%
15 to 19 years 357 7.26%
20 to 24 years 189 3.84%
25 to 29 years 214 4.35%
30 to 34 years 319 6.49%
35 to 39 years 376 7.65%
40 to 44 years 385 7.83%
45 to 49 years 383 7.79%
50 to 54 years 356 7.24%
55 to 59 years 201 4.09%
60 to 64 years 221 4.49%
65 to 69 years 213 4.33%
70 to 74 years 178 3.62%
75 to 79 years 46 0.94%
80 to 84 years 88 1.79%
85 years and over 34 0.69%
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Sergeant Bluff, IA population by age group

Key stats
1,903
Population under 25 years
1,294
Population aged 25-44
1,161
Population aged 45-64
559
Population aged 65+

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

The graph shows Sergeant Bluff'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
Sergeant Bluff, IA population by age group. The largest age group was 10-14 years with a poulation of 509 (10.35% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Sergeant Bluff, IA was for the group of age 10-14 years with a population of 509 (10.35%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Sergeant Bluff, IA was the 85+ years with a population of 34 (0.69%).

Sergeant Bluff, IA population by age cohort

To better understand the age distribution of Sergeant Bluff, 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 Sergeant Bluff'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.
Sergeant Bluff, 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 2,786 (56.66% 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 1,572 31.97%
18 to 64 years 2,786 56.66%
85 years and over 559 11.37%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Sergeant Bluff's population under 18 was 31.97%, compared to the 22.51% nationwide.
  • Sergeant Bluff's working population (between 18 and 64) was 56.66%, compared to 61.45% nationwide.
  • Sergeant Bluff's elderly or the senior population (over 65 age) was 11.37% as compared to 16.04% nationwide.

Sergeant Bluff, IA population pyramid

Population pyramid for Sergeant Bluff, 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 Sergeant Bluff's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Sergeant Bluff, IA, is 45.2.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Sergeant Bluff, IA, is 18.6.
  • Total dependency ratio for Sergeant Bluff, IA is 63.8.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Sergeant Bluff, IA is 5.4.
The graph shows Sergeant Bluff'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.
Sergeant Bluff, IA population pyramid i.e. Sergeant Bluff population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Sergeant Bluff, IA's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 86 333 419
5 to 9 years 166 263 429
10 to 14 years 308 201 509
15 to 19 years 282 75 357
20 to 24 years 92 97 189
25 to 29 years 91 123 214
30 to 34 years 85 234 319
35 to 39 years 242 134 376
40 to 44 years 205 180 385
45 to 49 years 185 198 383
50 to 54 years 160 196 356
55 to 59 years 84 117 201
60 to 64 years 138 83 221
65 to 69 years 59 154 213
70 to 74 years 120 58 178
75 to 79 years 25 21 46
80 to 84 years 38 50 88
85 years and over 34 0 34
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Things to know

What is the population of Sergeant Bluff, IA under 18?

Sergeant Bluff's population under the age of 18 is 1,572, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 31.97% of the total resident population of Sergeant Bluff, IA.

What is the aging population in Sergeant Bluff, IA?

Sergeant Bluff's population aged 65 years and above was 559. As per the U.S. Census Bureau's American Community Survey, this population is 11.37% of the entire population.

References

Datasets

Explore datasets by year of publication.
2023
Sergeant Bluff, IA Age Group Population Dataset: A complete breakdown of Sergeant Bluff 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 Sergeant Bluff 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 Sergeant Bluff. The dataset can be utilized to understand the population distribution of Sergeant Bluff by age. For example, using this dataset, we can identify the largest age group in Sergeant Bluff.

Key observations

The largest age group in Sergeant Bluff, IA was for the group of age 10-14 years with a population of 509 (10.35%), according to the 2021 American Community Survey. At the same time, the smallest age group in Sergeant Bluff, IA was the 85+ years with a population of 34 (0.69%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Sergeant Bluff, IA Age Cohorts Dataset: Children, Working Adults, and Seniors in Sergeant Bluff - 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 Sergeant Bluff 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 Sergeant Bluff. 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.

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

Sergeant Bluff, 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 Sergeant Bluff, IA population pyramid, which represents the Sergeant Bluff 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 Sergeant Bluff, IA, is 45.2.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Sergeant Bluff, IA, is 18.6.
  • Total dependency ratio for Sergeant Bluff, IA is 63.8.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Sergeant Bluff, IA is 5.4.

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