Mariposa County, CA Population by Age

The median age in Mariposa County, CA is 51.6, as per 2021 ACS 5-Year Estimates. Of the total population, 13.76% were under the age of 15, 12.82% aged 15 to 29, 45.19% aged 30 to 64, 24.93% aged 65 to 84, and 3.29% were 85 years of age and older.
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Updated Sep 17, 2023

Mariposa County, CA population age distribution

A complete breakdown of Mariposa 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 714 4.15%
5 to 9 years 893 5.18%
10 to 14 years 764 4.44%
15 to 19 years 680 3.95%
20 to 24 years 661 3.84%
25 to 29 years 868 5.04%
30 to 34 years 1,083 6.29%
35 to 39 years 796 4.62%
40 to 44 years 872 5.06%
45 to 49 years 976 5.67%
50 to 54 years 1,037 6.02%
55 to 59 years 1,479 8.59%
60 to 64 years 1,541 8.95%
65 to 69 years 1,514 8.79%
70 to 74 years 1,273 7.39%
75 to 79 years 993 5.76%
80 to 84 years 514 2.98%
85 years and over 567 3.29%
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Mariposa County, CA population by age group

Key stats
3,712
Population under 25 years
3,619
Population aged 25-44
5,033
Population aged 45-64
4,861
Population aged 65+

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

The graph shows Mariposa 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
Mariposa County, CA population by age group. The largest age group was 60-64 years with a poulation of 1,541 (8.95% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Mariposa County, CA was for the group of age 60-64 years with a population of 1,541 (8.95%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Mariposa County, CA was the 80-84 years with a population of 514 (2.98%).

Mariposa County, CA population by age cohort

To better understand the age distribution of Mariposa County, CA'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 Mariposa 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.
Mariposa County, CA 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 9,468 (54.97% 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 2,896 16.81%
18 to 64 years 9,468 54.97%
85 years and over 4,861 28.22%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Mariposa County's population under 18 was 16.81%, compared to the 22.51% nationwide.
  • Mariposa County's working population (between 18 and 64) was 54.97%, compared to 61.45% nationwide.
  • Mariposa County's elderly or the senior population (over 65 age) was 28.22% as compared to 16.04% nationwide.

Mariposa County, CA population pyramid

Population pyramid for Mariposa County, CA 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 Mariposa County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Mariposa County, CA, is 23.7.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Mariposa County, CA, is 48.6.
  • Total dependency ratio for Mariposa County, CA is 72.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Mariposa County, CA is 2.1.
The graph shows Mariposa 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.
Mariposa County, CA population pyramid i.e. Mariposa County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Here's the Mariposa County, CA's male and female population across different age groups:

Age Group Population(Male) Population(Female) Total Population
Under 5 years 376 338 714
5 to 9 years 470 423 893
10 to 14 years 412 352 764
15 to 19 years 348 332 680
20 to 24 years 336 325 661
25 to 29 years 408 460 868
30 to 34 years 595 488 1,083
35 to 39 years 425 371 796
40 to 44 years 455 417 872
45 to 49 years 549 427 976
50 to 54 years 526 511 1,037
55 to 59 years 646 833 1,479
60 to 64 years 784 757 1,541
65 to 69 years 828 686 1,514
70 to 74 years 627 646 1,273
75 to 79 years 518 475 993
80 to 84 years 215 299 514
85 years and over 297 270 567
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Things to know

What is the population of Mariposa County, CA under 18?

Mariposa County's population under the age of 18 is 2,896, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 16.81% of the total resident population of Mariposa County, CA.

What is the aging population in Mariposa County, CA?

Mariposa County's population aged 65 years and above was 4,861. As per the U.S. Census Bureau's American Community Survey, this population is 28.22% of the entire population.

References

Datasets

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

Key observations

The largest age group in Mariposa County, CA was for the group of age 60-64 years with a population of 1,541 (8.95%), according to the 2021 American Community Survey. At the same time, the smallest age group in Mariposa County, CA was the 80-84 years with a population of 514 (2.98%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Mariposa County, CA Age Cohorts Dataset: Children, Working Adults, and Seniors in Mariposa County - 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 Mariposa 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 Mariposa 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.

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

Mariposa County, CA 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 Mariposa County, CA population pyramid, which represents the Mariposa 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 Mariposa County, CA, is 23.7.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Mariposa County, CA, is 48.6.
  • Total dependency ratio for Mariposa County, CA is 72.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Mariposa County, CA is 2.1.

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