Chula Vista, CA population age distribution
A complete breakdown of Chula Vista'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 | 16,840 | 6.13% |
5 to 9 years | 18,578 | 6.76% |
10 to 14 years | 19,742 | 7.18% |
15 to 19 years | 19,823 | 7.21% |
20 to 24 years | 17,879 | 6.51% |
25 to 29 years | 19,000 | 6.91% |
30 to 34 years | 20,532 | 7.47% |
35 to 39 years | 19,959 | 7.26% |
40 to 44 years | 20,058 | 7.3% |
45 to 49 years | 18,238 | 6.64% |
50 to 54 years | 18,299 | 6.66% |
55 to 59 years | 16,882 | 6.14% |
60 to 64 years | 15,734 | 5.73% |
65 to 69 years | 11,572 | 4.21% |
70 to 74 years | 8,174 | 2.97% |
75 to 79 years | 5,144 | 1.87% |
80 to 84 years | 3,889 | 1.42% |
85 years and over | 4,475 | 1.63% |
TABLE OF CONTENTS
Chula Vista, CA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The largest age group in Chula Vista, CA was for the group of age 30-34 years with a population of 20,532 (7.47%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Chula Vista, CA was the 80-84 years with a population of 3,889 (1.42%).
Chula Vista, CA population by age cohort
To better understand the age distribution of Chula Vista, 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

Here's the population for each of the three cohorts.
Age Group | Population | % of Total Population |
---|---|---|
Under 18 years | 67,857 | 24.69% |
18 to 64 years | 173,707 | 63.21% |
85 years and over | 33,254 | 12.1% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Chula Vista's population under 18 was 24.69%, compared to the 22.51% nationwide.
- Chula Vista's working population (between 18 and 64) was 63.21%, compared to 61.45% nationwide.
- Chula Vista's elderly or the senior population (over 65 age) was 12.10% as compared to 16.04% nationwide.
Chula Vista, CA population pyramid
Population pyramid for Chula Vista, 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 Chula Vista's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Chula Vista, CA, is 29.6.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Chula Vista, CA, is 17.8.
- Total dependency ratio for Chula Vista, CA is 47.4.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Chula Vista, CA is 5.6.

Here's the Chula Vista, CA's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 9,031 | 7,809 | 16,840 |
5 to 9 years | 9,418 | 9,160 | 18,578 |
10 to 14 years | 9,196 | 10,546 | 19,742 |
15 to 19 years | 9,737 | 10,086 | 19,823 |
20 to 24 years | 9,343 | 8,536 | 17,879 |
25 to 29 years | 9,787 | 9,213 | 19,000 |
30 to 34 years | 11,021 | 9,511 | 20,532 |
35 to 39 years | 10,203 | 9,756 | 19,959 |
40 to 44 years | 10,324 | 9,734 | 20,058 |
45 to 49 years | 9,025 | 9,213 | 18,238 |
50 to 54 years | 8,693 | 9,606 | 18,299 |
55 to 59 years | 8,293 | 8,589 | 16,882 |
60 to 64 years | 7,802 | 7,932 | 15,734 |
65 to 69 years | 5,574 | 5,998 | 11,572 |
70 to 74 years | 3,818 | 4,356 | 8,174 |
75 to 79 years | 2,162 | 2,982 | 5,144 |
80 to 84 years | 1,472 | 2,417 | 3,889 |
85 years and over | 1,833 | 2,642 | 4,475 |
Things to know
What is the population of Chula Vista, CA under 18?
Chula Vista's population under the age of 18 is 67,857, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 24.69% of the total resident population of Chula Vista, CA.
What is the aging population in Chula Vista, CA?
Chula Vista's population aged 65 years and above was 33,254. As per the U.S. Census Bureau's American Community Survey, this population is 12.10% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates