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Santa Cruz County, CA Population by Age

The median age in Santa Cruz County, CA is 39.2, as per 2018-2022 ACS 5 -Year Estimates. Of the total population, 15.23% were under the age of 15, 23.99% aged 15 to 29, 43.02% aged 30 to 64, 15.81% aged 65 to 84, and 1.94% were 85 years of age and older.
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By Neilsberg Research
Updated Jul 26, 2024

Santa Cruz County, CA population age distributions

A complete breakdown of Santa Cruz 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 12,380 4.61%
5 to 9 years 13,894 5.17%
10 to 14 years 14,647 5.45%
15 to 19 years 21,765 8.1%
20 to 24 years 25,714 9.57%
25 to 29 years 16,987 6.32%
30 to 34 years 15,575 5.8%
35 to 39 years 15,896 5.92%
40 to 44 years 15,947 5.94%
45 to 49 years 16,050 5.98%
50 to 54 years 16,858 6.28%
55 to 59 years 17,992 6.7%
60 to 64 years 17,198 6.4%
65 to 69 years 16,762 6.24%
70 to 74 years 13,437 5%
75 to 79 years 7,536 2.81%
80 to 84 years 4,729 1.76%
85 years and over 5,204 1.94%
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Santa Cruz County, CA population by age group

Key stats
88,400
Population under 25 years
64,405
Population aged 25-44
68,098
Population aged 45-64
47,668
Population aged 65+

Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022

FIGURE 1

Santa Cruz County, CA population by age group.

The largest age group is 20 to 24 years with a population of 25,714 (9.57% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.
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The largest age group in Santa Cruz County, CA was for the group of age 20 to 24 years with a population of 25,714 (9.57%), according to the 2018-2022 American Community Survey.

At the same time, the smallest age group in Santa Cruz County, CA was the 80 to 84 years with a population of 4,729 (1.76%).

Santa Cruz County, CA population by age cohort

To better understand the age distribution of Santa Cruz 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

FIGURE 2

Santa Cruz County, CA population by age cohort

The largest age group was 18 to 64 years with a population of 170,583 (63.52% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.
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Santa Cruz County, CA population by age cohort

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

Age Group Population % of Total Population
Under 18 years 50,320 18.74%
18 to 64 years 170,583 63.52%
65 years and over 47,668 17.75%
Exploring Santa Cruz 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:

  • Santa Cruz County 's population under 18 was 18.74%, compared to the 22.11% nationwide.
  • Santa Cruz County's working population (between 18 and 64) was 63.52%, compared to 61.36% nationwide.
  • Santa Cruz County's elderly or the senior population (over 65 age) was 17.75% as compared to 16.53% nationwide.

Santa Cruz County, CA population pyramid

Population pyramid for Santa Cruz 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 Santa Cruz County's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Santa Cruz County, CA, is 22.7.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Santa Cruz County, CA, is 26.5.
  • Total dependency ratio for Santa Cruz County, CA is 49.2.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Santa Cruz County, CA is 3.8.

FIGURE 3

Santa Cruz County, CA population pyramid

Santa Cruz 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) 2018-2022 5-Year Estimates.
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Santa Cruz County, CA population pyramid

Here's the Santa Cruz County, CA's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 6,240 6,140 12,380
5 to 9 years 7,270 6,624 13,894
10 to 14 years 7,434 7,213 14,647
15 to 19 years 10,704 11,061 21,765
20 to 24 years 12,973 12,741 25,714
25 to 29 years 8,957 8,030 16,987
30 to 34 years 7,986 7,589 15,575
35 to 39 years 8,233 7,663 15,896
40 to 44 years 7,998 7,949 15,947
45 to 49 years 8,371 7,679 16,050
50 to 54 years 8,572 8,286 16,858
55 to 59 years 8,974 9,018 17,992
60 to 64 years 8,360 8,838 17,198
65 to 69 years 8,480 8,282 16,762
70 to 74 years 6,311 7,126 13,437
75 to 79 years 3,908 3,628 7,536
80 to 84 years 1,772 2,957 4,729
85 years and over 1,713 3,491 5,204
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Things to know

What is the population of Santa Cruz County, CA under 18?

Santa Cruz County's population under the age of 18 is 50,320, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 18.74% of the total resident population of Santa Cruz County, CA.

What is the aging population in Santa Cruz County, CA?

Santa Cruz County's population aged 65 years and above was 47,668. As per the U.S. Census Bureau's American Community Survey, this population is 17.75% of the entire population.

References

Datasets

Explore datasets by year of publication.
2024
Santa Cruz County, CA Age Group Population Dataset: A Complete Breakdown of Santa Cruz County Age Demographics from 0 to 85 Years and Over, Distributed Across 18 Age Groups // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

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

Key observations

The largest age group in Santa Cruz County, CA was for the group of age 20 to 24 years years with a population of 25,714 (9.57%), according to the ACS 2018-2022 5-Year Estimates. At the same time, the smallest age group in Santa Cruz County, CA was the 80 to 84 years years with a population of 4,729 (1.76%). Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Santa Cruz County is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Santa Cruz 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 Santa Cruz County Population by Age. You can refer the same here

Santa Cruz County, CA Age Cohorts Dataset: Children, Working Adults, and Seniors in Santa Cruz County - Population and Percentage Analysis // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the Santa Cruz 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 Santa Cruz 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 170,583 (63.52% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Santa Cruz County population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Santa Cruz County is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Santa Cruz 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 Santa Cruz County Population by Age. You can refer the same here

Santa Cruz County, CA Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis // 2024 Edition
Last updated July 24, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Santa Cruz County, CA population pyramid, which represents the Santa Cruz County population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Santa Cruz County, CA, is 22.7.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Santa Cruz County, CA, is 26.5.
  • Total dependency ratio for Santa Cruz County, CA is 49.2.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Santa Cruz County, CA is 3.8.
Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 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 Santa Cruz County population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Santa Cruz County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Santa Cruz County for the selected age group is shown in the following column.
  • Total Population: The total population of the Santa Cruz 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 Santa Cruz 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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