South San Francisco demographics profile

StatisticSouth San FranciscoCaliforniaNational
Population density (sq mi)7,25523291
Median age38.836.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)57%52%55%
Families w/ Kids under 1841%46%43%
Speak English43%56%79%
Speak Spanish25%29%13%
South San Francisco, CA has a population of 66,587 and is the 561st largest city in the United States. The population density is 7,255 per sq mi which is 3022% higher than the California average and 7908% higher than the national average. The median age in South San Francisco is 39 which is approximately 8% higher than the California average of 36. In South San Francisco, 57% of the population over 15 years of age are married, 43% speak English and 25% speak Spanish. 52% of South San Francisco residents were born in California, 6% were born out of state, 2% were born outside of the United States and 40% were foreign born.
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Did you know?

  • The population density in South San Francisco is 3022% higher than California.
  • The median age in South San Francisco is 8% higher than California.
  • In South San Francisco 36.23% of the population is White.
  • In South San Francisco 2.17% of the population is Black or African American.
  • In South San Francisco 38.38% of the population is Asian.

Compare South San Francisco, CA Demographics To Other Cities

South San Francisco population breakdown by race

RaceSouth San FranciscoCaliforniaNational
Black or African American2.17%5.85%12.63%
American Indian0.18%0.74%0.82%
Native Hawaiian1.91%0.39%0.18%
Mixed race5.88%4.62%3.06%
Other race15.24%13.28%4.75%
In South San Francisco, 33.9% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

South San Francisco age breakdown

Marital status

Age of children in married couples

Source: The South San Francisco, CA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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