Foster City, CA population age distributions
A complete breakdown of Foster City'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 | 2,067 | 6.22% |
| 5 to 9 years | 2,112 | 6.36% |
| 10 to 14 years | 2,060 | 6.2% |
| 15 to 19 years | 1,629 | 4.9% |
| 20 to 24 years | 1,069 | 3.22% |
| 25 to 29 years | 1,902 | 5.73% |
| 30 to 34 years | 2,973 | 8.95% |
| 35 to 39 years | 2,854 | 8.59% |
| 40 to 44 years | 2,824 | 8.5% |
| 45 to 49 years | 2,131 | 6.42% |
| 50 to 54 years | 2,012 | 6.06% |
| 55 to 59 years | 1,740 | 5.24% |
| 60 to 64 years | 1,823 | 5.49% |
| 65 to 69 years | 1,438 | 4.33% |
| 70 to 74 years | 1,413 | 4.25% |
| 75 to 79 years | 1,072 | 3.23% |
| 80 to 84 years | 1,098 | 3.31% |
| 85 years and over | 998 | 3% |
TABLE OF CONTENTS
Foster City, CA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Foster City, CA population by age group.
The largest age group is 30 to 34 years with a population of 2,973 (8.95% of the total population).
The largest age group in Foster City, CA was for the group of age 30 to 34 years with a population of 2,973 (8.95%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Foster City, CA was the 85 years and over with a population of 998 (3%).
Foster City, CA population by age cohort
To better understand the age distribution of Foster City, 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
Foster City, CA population by age cohort
The largest age group was 18 to 64 years with a population of 19,738 (59.42% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Foster City 's population under 18 was 22.45%, compared to the 22.11% nationwide.
- Foster City's working population (between 18 and 64) was 59.42%, compared to 61.36% nationwide.
- Foster City's elderly or the senior population (over 65 age) was 18.12% as compared to 16.53% nationwide.
Foster City, CA population pyramid
Population pyramid for Foster City, 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 Foster City's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Foster City, CA, is 29.8.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Foster City, CA, is 28.7.
- Total dependency ratio for Foster City, CA is 58.5.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Foster City, CA is 3.5.
FIGURE 3
Foster City, CA population pyramid
Foster City population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Foster City, CA population pyramid
Here's the Foster City, CA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 1,003 | 1,064 | 2,067 |
| 5 to 9 years | 1,094 | 1,018 | 2,112 |
| 10 to 14 years | 1,012 | 1,048 | 2,060 |
| 15 to 19 years | 944 | 685 | 1,629 |
| 20 to 24 years | 458 | 611 | 1,069 |
| 25 to 29 years | 1,116 | 786 | 1,902 |
| 30 to 34 years | 1,476 | 1,497 | 2,973 |
| 35 to 39 years | 1,373 | 1,481 | 2,854 |
| 40 to 44 years | 1,553 | 1,271 | 2,824 |
| 45 to 49 years | 1,043 | 1,088 | 2,131 |
| 50 to 54 years | 907 | 1,105 | 2,012 |
| 55 to 59 years | 796 | 944 | 1,740 |
| 60 to 64 years | 873 | 950 | 1,823 |
| 65 to 69 years | 696 | 742 | 1,438 |
| 70 to 74 years | 678 | 735 | 1,413 |
| 75 to 79 years | 396 | 676 | 1,072 |
| 80 to 84 years | 476 | 622 | 1,098 |
| 85 years and over | 416 | 582 | 998 |
Things to know
What is the population of Foster City, CA under 18?
Foster City's population under the age of 18 is 7,458, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.45% of the total resident population of Foster City, CA.
What is the aging population in Foster City, CA?
Foster City's population aged 65 years and above was 6,019. As per the U.S. Census Bureau's American Community Survey, this population is 18.12% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates