Foster City, CA Population

Overview

33,511

Total Population

39.6

Median age

50.74%

Female population %

97.1:100

Gender ratio (M:F)

30-34 years

Largest age group

55.6

Total dependency ratio

Asian

Largest racial group

2,87

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Foster City's population is old compared to the rest of the country:

The median age in Foster City is 39.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Foster City's population under 18 was 22.61%, compared to the 22.51% nationwide.
Foster City's elderly or the senior population (over 65 age) was 17.05% as compared to 16.04% nationwide.
Of the total population in Foster City, 18.68% were under the age of 15, 14.72% aged 15 to 29, 49.54% aged 30 to 64, 14.51% aged 65 to 84, and 2.54% were 85 years of age and older.

There are 499 more females than males in Foster City:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.74% females and 49.26% males in Foster City, CA.
The Foster City, CA gender ratio is 97.1:100 i.e. 97.1 men to 100 women (0.971).
For male population, the largest age group is 40-44 years with a population of 1,608.
For the female population, the largest age group is 30-34 years with a population of 1,512.

Foster City's population has become increasingly diverse:

Racial distribution of Foster City population: 35.98% are White, 2.45% are Black or African American, 0.31% are American Indian and Alaska Native, 51.92% are Asian, 0.20% are Native Hawaiian and other Pacific Islander, 1.68% are some other race and 7.47% are multiracial.
Foster City's racial breakdown clearly shows that there is an absolute majority of Asian population in the city.
By ethnicity, 2,87 is Hispanic or Latino (of any race), and 30,641 (91.44% of the total population) is Non-Hispanic.
The largest racial group in Foster City is Asian with a population of 17,399 (51.92% of the total population).

Foster City's population has already reached its peak and is showing a trend of decline:

The peak population was 33,685 in the year 2020
From 2000 to 2010, Foster City's population increased by 1,798 (6.24%), as compared to the national growth of 9.63%.
From 2010 to 2020, Foster City's population increased by 3,088 (10.09%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Foster City's population was lowest in year 2001 at 28,509.