Norco, CA Population by Age

The median age in Norco, CA is 41.0, as per 2019-2023 ACS 5 -Year Estimates. Of the total population, 16.72% were under the age of 15, 16.95% aged 15 to 29, 50.01% aged 30 to 64, 14.66% aged 65 to 84, and 1.67% were 85 years of age and older.
Neilsberg Research Avatar
Updated Feb 22, 2025

Norco, CA population age distributions

A complete breakdown of Norco'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 1,088 4.32%
5 to 9 years 1,425 5.65%
10 to 14 years 1,701 6.75%
15 to 19 years 1,242 4.93%
20 to 24 years 1,447 5.74%
25 to 29 years 1,584 6.28%
30 to 34 years 1,872 7.43%
35 to 39 years 1,812 7.19%
40 to 44 years 1,692 6.71%
45 to 49 years 1,919 7.61%
50 to 54 years 1,618 6.42%
55 to 59 years 1,934 7.67%
60 to 64 years 1,760 6.98%
65 to 69 years 1,267 5.03%
70 to 74 years 1,133 4.49%
75 to 79 years 742 2.94%
80 to 84 years 555 2.2%
85 years and over 420 1.67%
PREMIUM
Demographic Solutions for Every Need
Select your area of interest to discover how our data can empower your decisions.
Consumer Demographics
Understand your target market better with customized consumer demographic reports.
Market Segmentation
Identify and segment your target markets effectively with detailed demographic data.
Competitor Analysis
Gain insights into competitor regions with our comprehensive demographic analysis.
Trend Forecasting
Stay ahead with predictive insights based on historical demographic trends.
For any additional data requests, please reach out to research@neilsberg.com
Location Analysis
Assess potential development sites with detailed demographic reports.
Community Demographics
Understand the population characteristics of target areas with custom data.
Market Potential
Gauge market potential with insights into population growth, income levels, and more.
Investment Feasibility
Support the financial feasibility of your real estate investments with demographic analysis.
For any additional data requests, please reach out to research@neilsberg.com
Consumer Demographics
Get deep insights into your target customer base by location with tailored reports.
Expansion Planning
Identify potential new markets for business expansion with demographic data.
Site Selection
Choose the best sites for new business locations with location-specific demographic analysis.
Competitor Insights
Inform strategic decisions with demographic comparison to competitor regions.
For any additional data requests, please reach out to research@neilsberg.com
Custom Data Reports
Support your academic research with in-depth demographic data tailored to your objectives.
Trend Analysis
Enrich your research with historical and current demographic trends across thousands of locations.
Location-Specific Insights
Access focused demographic data at city, county, state, and national levels for your studies.
Comparative Studies
Support your research hypotheses with demographic comparison reports across different regions.
For any additional data requests, please reach out to research@neilsberg.com
Community Impact Analysis
Assess the needs and potential impact in specific communities with detailed demographic reports.
Grant Application Support
Bolster your grant applications with precise, location-specific demographic insights.
Program Planning
Design and plan effective community programs with tailored demographic insights.
Measure and report the impact of your initiatives with post-implementation demographic analysis.
For any additional data requests, please reach out to research@neilsberg.com

Norco, CA population by age group

Key stats
6,903
Population under 25 years
6,960
Population aged 25-44
7,231
Population aged 45-64
4,117
Population aged 65+

Sources: U.S. Census Bureau, American Community Survey (ACS) 2019-2023

FIGURE 1

Norco, CA population by age group.

The largest age group is 55 to 59 years with a population of 1,934 (7.67% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

The largest age group in Norco, CA was for the group of age 55 to 59 years with a population of 1,934 (7.67%), according to the 2019-2023 American Community Survey.

At the same time, the smallest age group in Norco, CA was the 85 years and over with a population of 420 (1.67%).

Norco, CA population by age cohort

To better understand the age distribution of Norco, 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

Norco, CA population by age cohort

The largest age group was 18 to 64 years with a population of 16,087 (63.81% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Norco, CA population by age cohort

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

Age Group Population % of Total Population
Under 18 years 5,007 19.86%
18 to 64 years 16,087 63.81%
65 years and over 4,117 16.33%
Exploring Norco's Diversity? Request Customized Data Now!

Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • Norco 's population under 18 was 19.86%, compared to the 22.16% nationwide.
  • Norco's working population (between 18 and 64) was 63.81%, compared to 61% nationwide.
  • Norco's elderly or the senior population (over 65 age) was 16.33% as compared to 16.84% nationwide.

Norco, CA population pyramid

Population pyramid for Norco, 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 Norco's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Norco, CA, is 25.0.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Norco, CA, is 24.4.
  • Total dependency ratio for Norco, CA is 49.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Norco, CA is 4.1.

FIGURE 3

Norco, CA population pyramid

Norco 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) 2019-2023 5-Year Estimates.

Norco, CA population pyramid

Here's the Norco, CA's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 625 463 1,088
5 to 9 years 724 701 1,425
10 to 14 years 744 957 1,701
15 to 19 years 666 576 1,242
20 to 24 years 816 631 1,447
25 to 29 years 939 645 1,584
30 to 34 years 1,022 850 1,872
35 to 39 years 1,137 675 1,812
40 to 44 years 1,069 623 1,692
45 to 49 years 1,011 908 1,919
50 to 54 years 908 710 1,618
55 to 59 years 1,131 803 1,934
60 to 64 years 986 774 1,760
65 to 69 years 623 644 1,267
70 to 74 years 535 598 1,133
75 to 79 years 441 301 742
80 to 84 years 298 257 555
85 years and over 80 340 420
Exploring Norco's Diversity? Request Customized Data Now!

Things to know

What is the population of Norco, CA under 18?

Norco's population under the age of 18 is 5,007, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.86% of the total resident population of Norco, CA.

What is the aging population in Norco, CA?

Norco's population aged 65 years and above was 4,117. As per the U.S. Census Bureau's American Community Survey, this population is 16.33% of the entire population.

References

Datasets

Explore datasets by year of publication.
2025
Norco, CA Age Group Population Dataset: A Complete Breakdown of Norco Age Demographics from 0 to 85 Years and Over, Distributed Across 18 Age Groups // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

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

Key observations

The largest age group in Norco, CA was for the group of age 55 to 59 years years with a population of 1,934 (7.67%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in Norco, CA was the 85 years and over years with a population of 420 (1.67%). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Norco is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of Norco 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 Norco Population by Age. You can refer the same here

Norco, CA Age Cohorts Dataset: Children, Working Adults, and Seniors in Norco - Population and Percentage Analysis // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the Norco 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 Norco. 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 16,087 (63.81% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Norco population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in Norco is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the Norco 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 Norco Population by Age. You can refer the same here

Norco, CA Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the Norco, CA population pyramid, which represents the Norco population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Norco, CA, is 25.0.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Norco, CA, is 24.4.
  • Total dependency ratio for Norco, CA is 49.4.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for Norco, CA is 4.1.
Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 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 Norco population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the Norco for the selected age group is shown in the following column.
  • Population (Female): The female population in the Norco for the selected age group is shown in the following column.
  • Total Population: The total population of the Norco 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 Norco 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.

About the author

Neilsberg Research Avatar
Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

Share

This article is for informational purposes only and is not intended to be legal or tax advice. We recommend that you consult with a qualified professional such as a lawyer or accountant before making a decision. Many of the products and services featured here are from our affiliate partners. We may receive commissions on purchases made from our chosen links. Read advertiser disclosure.