Santa Barbara County, CA Population by Age

The median age in Santa Barbara County, CA is 33.9, as per 2021 ACS 5-Year Estimates. Of the total population, 18.77% were under the age of 15, 26.36% aged 15 to 29, 39.63% aged 30 to 64, 12.98% aged 65 to 84, and 2.26% were 85 years of age and older.
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Updated Sep 17, 2023

Santa Barbara County, CA population age distribution

A complete breakdown of Santa Barbara 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 27,468 6.14%
5 to 9 years 27,640 6.17%
10 to 14 years 28,899 6.46%
15 to 19 years 38,751 8.66%
20 to 24 years 47,013 10.5%
25 to 29 years 32,238 7.2%
30 to 34 years 27,471 6.14%
35 to 39 years 25,559 5.71%
40 to 44 years 26,061 5.82%
45 to 49 years 23,642 5.28%
50 to 54 years 24,075 5.38%
55 to 59 years 25,692 5.74%
60 to 64 years 24,921 5.57%
65 to 69 years 20,502 4.58%
70 to 74 years 18,176 4.06%
75 to 79 years 11,588 2.59%
80 to 84 years 7,836 1.75%
85 years and over 10,119 2.26%
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Santa Barbara County, CA population by age group

Key stats
169,771
Population under 25 years
111,329
Population aged 25-44
98,330
Population aged 45-64
68,221
Population aged 65+

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

The graph shows Santa Barbara 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
Santa Barbara County, CA population by age group. The largest age group was 20-24 years with a poulation of 47,013 (10.50% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Santa Barbara County, CA was for the group of age 20-24 years with a population of 47,013 (10.50%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Santa Barbara County, CA was the 80-84 years with a population of 7,836 (1.75%).

Santa Barbara County, CA population by age cohort

To better understand the age distribution of Santa Barbara 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 Santa Barbara 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.
Santa Barbara 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 278,922 (62.31% 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 100,508 22.45%
18 to 64 years 278,922 62.31%
85 years and over 68,221 15.24%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Santa Barbara County's population under 18 was 22.45%, compared to the 22.51% nationwide.
  • Santa Barbara County's working population (between 18 and 64) was 62.31%, compared to 61.45% nationwide.
  • Santa Barbara County's elderly or the senior population (over 65 age) was 15.24% as compared to 16.04% nationwide.

Santa Barbara County, CA population pyramid

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

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Santa Barbara County, CA, is 28.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Santa Barbara County, CA, is 23.1.
  • Total dependency ratio for Santa Barbara County, CA is 51.5.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Santa Barbara County, CA is 4.3.
The graph shows Santa Barbara 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.
Santa Barbara County, CA population pyramid i.e. Santa Barbara County population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Age Group Population(Male) Population(Female) Total Population
Under 5 years 14,123 13,345 27,468
5 to 9 years 14,474 13,166 27,640
10 to 14 years 14,361 14,538 28,899
15 to 19 years 18,921 19,830 38,751
20 to 24 years 24,165 22,848 47,013
25 to 29 years 16,974 15,264 32,238
30 to 34 years 14,614 12,857 27,471
35 to 39 years 12,929 12,630 25,559
40 to 44 years 14,051 12,010 26,061
45 to 49 years 12,142 11,500 23,642
50 to 54 years 12,247 11,828 24,075
55 to 59 years 12,790 12,902 25,692
60 to 64 years 12,139 12,782 24,921
65 to 69 years 9,695 10,807 20,502
70 to 74 years 8,809 9,367 18,176
75 to 79 years 5,373 6,215 11,588
80 to 84 years 3,233 4,603 7,836
85 years and over 3,974 6,145 10,119
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Things to know

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

Santa Barbara County's population under the age of 18 is 100,508, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.45% of the total resident population of Santa Barbara County, CA.

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

Santa Barbara County's population aged 65 years and above was 68,221. As per the U.S. Census Bureau's American Community Survey, this population is 15.24% of the entire population.

References

Datasets

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

Key observations

The largest age group in Santa Barbara County, CA was for the group of age 20-24 years with a population of 47,013 (10.50%), according to the 2021 American Community Survey. At the same time, the smallest age group in Santa Barbara County, CA was the 80-84 years with a population of 7,836 (1.75%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Santa Barbara County, CA Age Cohorts Dataset: Children, Working Adults, and Seniors in Santa Barbara 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 Santa Barbara 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 Barbara 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.

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

Santa Barbara 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 Santa Barbara County, CA population pyramid, which represents the Santa Barbara 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 Santa Barbara County, CA, is 28.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Santa Barbara County, CA, is 23.1.
  • Total dependency ratio for Santa Barbara County, CA is 51.5.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Santa Barbara County, CA is 4.3.

Santa Barbara 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 Santa Barbara 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 Barbara County for the selected age group is shown in the following column.
  • Population (Female): The female population in the Santa Barbara County for the selected age group is shown in the following column.
  • Total Population: The total population of the Santa Barbara 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 Barbara 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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