Colusa, CA Population by Age

The median age in Colusa, CA is 37.7, as per 2021 ACS 5-Year Estimates. Of the total population, 21.69% were under the age of 15, 18.29% aged 15 to 29, 44.09% aged 30 to 64, 13.67% aged 65 to 84, and 2.26% were 85 years of age and older.
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Updated Sep 17, 2023

Colusa, CA population age distribution

A complete breakdown of Colusa'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 399 6.27%
5 to 9 years 563 8.85%
10 to 14 years 417 6.56%
15 to 19 years 464 7.3%
20 to 24 years 280 4.4%
25 to 29 years 419 6.59%
30 to 34 years 420 6.6%
35 to 39 years 420 6.6%
40 to 44 years 496 7.8%
45 to 49 years 263 4.14%
50 to 54 years 429 6.75%
55 to 59 years 402 6.32%
60 to 64 years 374 5.88%
65 to 69 years 357 5.61%
70 to 74 years 242 3.81%
75 to 79 years 169 2.66%
80 to 84 years 101 1.59%
85 years and over 144 2.26%
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Colusa, CA population by age group

Key stats
2,123
Population under 25 years
1,755
Population aged 25-44
1,468
Population aged 45-64
1,013
Population aged 65+

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

The graph shows Colusa'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
Colusa, CA population by age group. The largest age group was 5-9 years with a poulation of 563 (8.85% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

The largest age group in Colusa, CA was for the group of age 5-9 years with a population of 563 (8.85%), according to the 2021 American Community Survey.

At the same time, the smallest age group in Colusa, CA was the 80-84 years with a population of 101 (1.59%).

Colusa, CA population by age cohort

To better understand the age distribution of Colusa, 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 Colusa'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.
Colusa, 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 3,594 (56.52% 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 1,752 27.55%
18 to 64 years 3,594 56.52%
85 years and over 1,013 15.93%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Colusa's population under 18 was 27.55%, compared to the 22.51% nationwide.
  • Colusa's working population (between 18 and 64) was 56.52%, compared to 61.45% nationwide.
  • Colusa's elderly or the senior population (over 65 age) was 15.93% as compared to 16.04% nationwide.

Colusa, CA population pyramid

Population pyramid for Colusa, 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 Colusa's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Colusa, CA, is 34.8.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Colusa, CA, is 25.5.
  • Total dependency ratio for Colusa, CA is 60.3.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Colusa, CA is 3.9.
The graph shows Colusa'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.
Colusa, CA population pyramid i.e. Colusa population distrubution across age and gender. Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

Age Group Population(Male) Population(Female) Total Population
Under 5 years 175 224 399
5 to 9 years 372 191 563
10 to 14 years 155 262 417
15 to 19 years 194 270 464
20 to 24 years 138 142 280
25 to 29 years 231 188 419
30 to 34 years 197 223 420
35 to 39 years 246 174 420
40 to 44 years 264 232 496
45 to 49 years 167 96 263
50 to 54 years 120 309 429
55 to 59 years 255 147 402
60 to 64 years 218 156 374
65 to 69 years 211 146 357
70 to 74 years 139 103 242
75 to 79 years 65 104 169
80 to 84 years 41 60 101
85 years and over 18 126 144
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Things to know

What is the population of Colusa, CA under 18?

Colusa's population under the age of 18 is 1,752, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 27.55% of the total resident population of Colusa, CA.

What is the aging population in Colusa, CA?

Colusa's population aged 65 years and above was 1,013. As per the U.S. Census Bureau's American Community Survey, this population is 15.93% of the entire population.

References

Datasets

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

Key observations

The largest age group in Colusa, CA was for the group of age 5-9 years with a population of 563 (8.85%), according to the 2021 American Community Survey. At the same time, the smallest age group in Colusa, CA was the 80-84 years with a population of 101 (1.59%). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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

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

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

Colusa, 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 Colusa, CA population pyramid, which represents the Colusa 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 Colusa, CA, is 34.8.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Colusa, CA, is 25.5.
  • Total dependency ratio for Colusa, CA is 60.3.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Colusa, CA is 3.9.

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

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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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