Santa Rosa, CA population age distributions
A complete breakdown of Santa Rosa'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 | 8,822 | 4.95% |
| 5 to 9 years | 9,495 | 5.33% |
| 10 to 14 years | 11,591 | 6.5% |
| 15 to 19 years | 11,253 | 6.31% |
| 20 to 24 years | 10,274 | 5.76% |
| 25 to 29 years | 11,815 | 6.63% |
| 30 to 34 years | 12,562 | 7.05% |
| 35 to 39 years | 12,246 | 6.87% |
| 40 to 44 years | 12,734 | 7.15% |
| 45 to 49 years | 11,569 | 6.49% |
| 50 to 54 years | 11,321 | 6.35% |
| 55 to 59 years | 11,237 | 6.31% |
| 60 to 64 years | 10,680 | 5.99% |
| 65 to 69 years | 10,567 | 5.93% |
| 70 to 74 years | 8,752 | 4.91% |
| 75 to 79 years | 5,570 | 3.13% |
| 80 to 84 years | 3,371 | 1.89% |
| 85 years and over | 4,362 | 2.45% |
TABLE OF CONTENTS
Santa Rosa, CA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Santa Rosa, CA population by age group.
The largest age group is 40 to 44 years with a population of 12,734 (7.15% of the total population).
The largest age group in Santa Rosa, CA was for the group of age 40 to 44 years with a population of 12,734 (7.15%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Santa Rosa, CA was the 80 to 84 years with a population of 3,371 (1.89%).
Santa Rosa, CA population by age cohort
To better understand the age distribution of Santa Rosa, 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 Rosa, CA population by age cohort
The largest age group was 18 to 64 years with a population of 109,022 (61.17% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Santa Rosa 's population under 18 was 20.52%, compared to the 22.11% nationwide.
- Santa Rosa's working population (between 18 and 64) was 61.17%, compared to 61.36% nationwide.
- Santa Rosa's elderly or the senior population (over 65 age) was 18.30% as compared to 16.53% nationwide.
Santa Rosa, CA population pyramid
Population pyramid for Santa Rosa, 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 Rosa's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Santa Rosa, CA, is 25.9.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Santa Rosa, CA, is 28.2.
- Total dependency ratio for Santa Rosa, CA is 54.0.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Santa Rosa, CA is 3.5.
FIGURE 3
Santa Rosa, CA population pyramid
Santa Rosa population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Santa Rosa, CA population pyramid
Here's the Santa Rosa, CA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 4,418 | 4,404 | 8,822 |
| 5 to 9 years | 5,139 | 4,356 | 9,495 |
| 10 to 14 years | 5,358 | 6,233 | 11,591 |
| 15 to 19 years | 5,883 | 5,370 | 11,253 |
| 20 to 24 years | 5,461 | 4,813 | 10,274 |
| 25 to 29 years | 5,980 | 5,835 | 11,815 |
| 30 to 34 years | 6,632 | 5,930 | 12,562 |
| 35 to 39 years | 6,172 | 6,074 | 12,246 |
| 40 to 44 years | 6,542 | 6,192 | 12,734 |
| 45 to 49 years | 5,888 | 5,681 | 11,569 |
| 50 to 54 years | 5,499 | 5,822 | 11,321 |
| 55 to 59 years | 5,440 | 5,797 | 11,237 |
| 60 to 64 years | 4,936 | 5,744 | 10,680 |
| 65 to 69 years | 4,723 | 5,844 | 10,567 |
| 70 to 74 years | 3,804 | 4,948 | 8,752 |
| 75 to 79 years | 2,336 | 3,234 | 5,570 |
| 80 to 84 years | 1,357 | 2,014 | 3,371 |
| 85 years and over | 1,407 | 2,955 | 4,362 |
Things to know
What is the population of Santa Rosa, CA under 18?
Santa Rosa's population under the age of 18 is 36,577, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 20.52% of the total resident population of Santa Rosa, CA.
What is the aging population in Santa Rosa, CA?
Santa Rosa's population aged 65 years and above was 32,622. As per the U.S. Census Bureau's American Community Survey, this population is 18.30% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates