Riverside County, CA population age distributions
A complete breakdown of Riverside 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 | 146,356 | 6.02% |
| 5 to 9 years | 161,783 | 6.66% |
| 10 to 14 years | 181,112 | 7.45% |
| 15 to 19 years | 178,591 | 7.35% |
| 20 to 24 years | 167,645 | 6.9% |
| 25 to 29 years | 168,509 | 6.94% |
| 30 to 34 years | 166,740 | 6.86% |
| 35 to 39 years | 163,097 | 6.71% |
| 40 to 44 years | 157,848 | 6.5% |
| 45 to 49 years | 149,016 | 6.13% |
| 50 to 54 years | 148,537 | 6.11% |
| 55 to 59 years | 145,865 | 6% |
| 60 to 64 years | 135,226 | 5.57% |
| 65 to 69 years | 113,442 | 4.67% |
| 70 to 74 years | 92,311 | 3.8% |
| 75 to 79 years | 69,199 | 2.85% |
| 80 to 84 years | 43,634 | 1.8% |
| 85 years and over | 40,576 | 1.67% |
TABLE OF CONTENTS
Riverside County, CA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Riverside County, CA population by age group.
The largest age group is 10 to 14 years with a population of 181,112 (7.45% of the total population).
The largest age group in Riverside County, CA was for the group of age 10 to 14 years with a population of 181,112 (7.45%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Riverside County, CA was the 85 years and over with a population of 40,576 (1.67%).
Riverside County, CA population by age cohort
To better understand the age distribution of Riverside 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
Riverside County, CA population by age cohort
The largest age group was 18 to 64 years with a population of 1.47 million (60.62% of the total population).
Riverside 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 | 597,531 | 24.59% |
| 18 to 64 years | 1,472,794 | 60.62% |
| 65 years and over | 359,162 | 14.78% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Riverside County 's population under 18 was 24.59%, compared to the 22.11% nationwide.
- Riverside County's working population (between 18 and 64) was 60.62%, compared to 61.36% nationwide.
- Riverside County's elderly or the senior population (over 65 age) was 14.78% as compared to 16.53% nationwide.
Riverside County, CA population pyramid
Population pyramid for Riverside 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 Riverside County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Riverside County, CA, is 30.9.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Riverside County, CA, is 22.7.
- Total dependency ratio for Riverside County, CA is 53.7.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Riverside County, CA is 4.4.
FIGURE 3
Riverside County, CA population pyramid
Riverside County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Riverside County, CA population pyramid
Here's the Riverside County, CA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 75,040 | 71,316 | 146,356 |
| 5 to 9 years | 83,192 | 78,591 | 161,783 |
| 10 to 14 years | 92,354 | 88,758 | 181,112 |
| 15 to 19 years | 90,977 | 87,614 | 178,591 |
| 20 to 24 years | 85,697 | 81,948 | 167,645 |
| 25 to 29 years | 86,957 | 81,552 | 168,509 |
| 30 to 34 years | 85,650 | 81,090 | 166,740 |
| 35 to 39 years | 83,321 | 79,776 | 163,097 |
| 40 to 44 years | 80,100 | 77,748 | 157,848 |
| 45 to 49 years | 75,004 | 74,012 | 149,016 |
| 50 to 54 years | 75,788 | 72,749 | 148,537 |
| 55 to 59 years | 74,651 | 71,214 | 145,865 |
| 60 to 64 years | 66,808 | 68,418 | 135,226 |
| 65 to 69 years | 54,147 | 59,295 | 113,442 |
| 70 to 74 years | 43,826 | 48,485 | 92,311 |
| 75 to 79 years | 31,501 | 37,698 | 69,199 |
| 80 to 84 years | 19,906 | 23,728 | 43,634 |
| 85 years and over | 15,474 | 25,102 | 40,576 |
Things to know
What is the population of Riverside County, CA under 18?
Riverside County's population under the age of 18 is 597,531, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 24.59% of the total resident population of Riverside County, CA.
What is the aging population in Riverside County, CA?
Riverside County's population aged 65 years and above was 359,162. As per the U.S. Census Bureau's American Community Survey, this population is 14.78% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates