South San Francisco, CA Population

The population of South San Francisco is 66,331, according to the U.S. Census Bureau ACS estimates.
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Updated Jun 23, 2023
Overview
66,331
Total Population
42.1
Median age
49.80%
Female population %
100.8:100
Gender ratio (M:F)
30-34 years
Largest age group
46.1
Total dependency ratio
Asian
Largest racial group
19,75
Hispanic population

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

Age

South San Francisco's population is old compared to the rest of the country:

  • The median age in South San Francisco is 42.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
  • South San Francisco's population under 18 was 17.74%, compared to the 22.51% nationwide.
  • South San Francisco's elderly or the senior population (over 65 age) was 16.57% as compared to 16.04% nationwide.
  • Of the total population in South San Francisco, 14.96% were under the age of 15, 17.00% aged 15 to 29, 51.46% aged 30 to 64, 14.51% aged 65 to 84, and 2.07% were 85 years of age and older.
The graph shows South San Francisco's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
South San Francisco, CA population by age group. The largest age group was 30-34 years with a poulation of 5,155 (7.77% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about South San Francisco, CA population by age ➔

Gender

There are 263 less females than males in South San Francisco:

  • The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.80% females and 50.20% males in South San Francisco, CA.
  • The South San Francisco, CA gender ratio is 100.8:100 i.e. 100.8 men to 100 women (1.008).
  • For male population, the largest age group is 35-39 years with a population of 2,677.
  • For the female population, the largest age group is 55-59 years with a population of 2,919.
The grouped bar chart shows South San Francisco, CA population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.
California population by gender and age. Largest age group (population): Male # 35-39 years (2,677) | Female # 55-59 years (2,919). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about South San Francisco, CA population by gender ➔

Race / Ethnicity

South San Francisco's population has become increasingly diverse:

  • Racial distribution of South San Francisco population: 30.23% are White, 1.89% are Black or African American, 0.63% are American Indian and Alaska Native, 43.43% are Asian, 0.86% are Native Hawaiian and other Pacific Islander, 14.58% are some other race and 8.39% are multiracial.
  • South San Francisco's racial breakdown clearly shows that there is no majority of any race in the city.
  • By ethnicity, 19,75 is Hispanic or Latino (of any race), and 46,581 (70.23% of the total population) is Non-Hispanic.
  • The largest racial group in South San Francisco is Asian with a population of 28,806 (43.43% of the total population).
The bar chart shows South San Francisco, CA population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.
South San Francisco, CA population by race. The largest racial group in South San Francisco is Asian with a population of 28,806 (43.43% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about South San Francisco, CA population by race ➔

Year by year

South San Francisco's population has already reached its peak and is showing a trend of decline:

  • The peak population was 67,147 in the year 2016
  • From 2000 to 2010, South San Francisco's population increased by 3,031 (5.00%), as compared to the national growth of 9.63%.
  • From 2010 to 2020, South San Francisco's population increased by 2,450 (3.85%), 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, South San Francisco's population was lowest in year 2003 at 59,311.
The graph shows South San Francisco's population from 2000 to 2022, with years on x-axis and population on y-axis
South San Francisco's population from 2000 to 2022. The estimated population at the end of 2022 was 63,484. Source: U.S. Census Bureau (Population Estimates Program)

Read more about South San Francisco, CA population by year ➔

References

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South San Francisco, CA Demographics

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Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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