San Joaquin County, CA population age distribution
A complete breakdown of San Joaquin 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 | 51,969 | 6.67% |
| 5 to 9 years | 55,901 | 7.17% |
| 10 to 14 years | 63,226 | 8.11% |
| 15 to 19 years | 58,748 | 7.54% |
| 20 to 24 years | 53,722 | 6.89% |
| 25 to 29 years | 54,172 | 6.95% |
| 30 to 34 years | 53,847 | 6.91% |
| 35 to 39 years | 53,912 | 6.92% |
| 40 to 44 years | 51,612 | 6.62% |
| 45 to 49 years | 47,325 | 6.07% |
| 50 to 54 years | 46,542 | 5.97% |
| 55 to 59 years | 45,463 | 5.83% |
| 60 to 64 years | 41,592 | 5.34% |
| 65 to 69 years | 33,974 | 4.36% |
| 70 to 74 years | 26,309 | 3.38% |
| 75 to 79 years | 17,760 | 2.28% |
| 80 to 84 years | 11,229 | 1.44% |
| 85 years and over | 12,142 | 1.56% |
TABLE OF CONTENTS
San Joaquin County, CA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
San Joaquin County, CA population by age group.
The largest age group is 10 to 14 years with a population of 63,226 (8.11% of the total population).
The largest age group in San Joaquin County, CA was for the group of age 10 to 14 years with a population of 63,226 (8.11%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in San Joaquin County, CA was the 80 to 84 years with a population of 11,229 (1.44%).
San Joaquin County, CA population by age cohort
To better understand the age distribution of San Joaquin 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
San Joaquin County, CA population by age cohort
The largest age group was 18 to 64 years with a population of 470,567 (60.37% of the total population).
Here's the population for each of the three cohorts.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 18 years | 207,464 | 26.62% |
| 18 to 64 years | 470,567 | 60.37% |
| 65 years and over | 101,414 | 13.01% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- San Joaquin County 's population under 18 was 26.62%, compared to the 22.11% nationwide.
- San Joaquin County's working population (between 18 and 64) was 60.37%, compared to 61.36% nationwide.
- San Joaquin County's elderly or the senior population (over 65 age) was 13.01% as compared to 16.53% nationwide.
San Joaquin County, CA population pyramid
Population pyramid for San Joaquin 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 San Joaquin County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for San Joaquin County, CA, is 33.8.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for San Joaquin County, CA, is 20.0.
- Total dependency ratio for San Joaquin County, CA is 53.8.
- Potential support ratio, which is the number of youth (working age population) per elderly, for San Joaquin County, CA is 5.0.
FIGURE 3
San Joaquin County, CA population pyramid
San Joaquin County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Here's the San Joaquin County, CA's male and female population across different age groups:
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 26,634 | 25,335 | 51,969 |
| 5 to 9 years | 29,185 | 26,716 | 55,901 |
| 10 to 14 years | 32,100 | 31,126 | 63,226 |
| 15 to 19 years | 30,429 | 28,319 | 58,748 |
| 20 to 24 years | 27,654 | 26,068 | 53,722 |
| 25 to 29 years | 27,905 | 26,267 | 54,172 |
| 30 to 34 years | 27,470 | 26,377 | 53,847 |
| 35 to 39 years | 28,216 | 25,696 | 53,912 |
| 40 to 44 years | 25,611 | 26,001 | 51,612 |
| 45 to 49 years | 23,949 | 23,376 | 47,325 |
| 50 to 54 years | 23,739 | 22,803 | 46,542 |
| 55 to 59 years | 23,329 | 22,134 | 45,463 |
| 60 to 64 years | 20,054 | 21,538 | 41,592 |
| 65 to 69 years | 15,883 | 18,091 | 33,974 |
| 70 to 74 years | 12,305 | 14,004 | 26,309 |
| 75 to 79 years | 7,855 | 9,905 | 17,760 |
| 80 to 84 years | 4,394 | 6,835 | 11,229 |
| 85 years and over | 4,492 | 7,650 | 12,142 |
Things to know
What is the population of San Joaquin County, CA under 18?
San Joaquin County's population under the age of 18 is 207,464, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 26.62% of the total resident population of San Joaquin County, CA.
What is the aging population in San Joaquin County, CA?
San Joaquin County's population aged 65 years and above was 101,414. As per the U.S. Census Bureau's American Community Survey, this population is 13.01% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates