South San Francisco, California Population 2024

61,730

South San Francisco is a city located in San Mateo County California. South San Francisco has a 2024 population of 61,730. South San Francisco is currently declining at a rate of -1.4% annually and its population has decreased by -6.65% since the most recent census, which recorded a population of 66,124 in 2020.

The average household income in South San Francisco is $166,256 with a poverty rate of 6.76%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in South San Francisco is 42.3 years, 41.5 years for males, and 43.2 years for females.

South San Francisco Demographics

According to the most recent ACS, the racial composition of South San Francisco was:

  • Asian: 43.45%
  • White: 29.06%
  • Other race: 13.31%
  • Two or more races: 10.9%
  • Black or African American: 1.91%
  • Native Hawaiian or Pacific Islander: 0.78%
  • Native American: 0.58%
Land Area (mi²)
9.2 sq mi
Density (mi²)
6,691.20/sq mi
Growth Since 2020
-6.65% (-4,394)
The current population of South San Francisco, California is 61,730 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 66,124.

South San Francisco, California Population 2024

Population by Race

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Race
Population
Percentage (of total)
Asian28,50143.45%
White19,06029.06%
Other race8,73113.31%
Two or more races7,15310.9%
Black or African American1,2561.91%
Native Hawaiian or Pacific Islander5130.78%
Native American3820.58%
showing: 7 rows

Asian

White

Other race

Two or more races

Black or African American

Native Hawaiian or Pacific Islander

Native American

South San Francisco Population by Race

South San Francisco Population Pyramid 2024

South San Francisco Median Age

42.3

Total

41.5

Male

43.2

Female

South San Francisco Adults

There are 54,390 adults, (11,362 of whom are seniors) in South San Francisco.

South San Francisco Age Dependency

52.4

Age Dependency Ratio

26.4

Old Age Dependency Ratio

26

Child Dependency Ratio

South San Francisco Sex Ratio

Female32,85950.09%
Male32,73749.91%

South San Francisco Population by Age

South San Francisco Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All22,0362.9361.638.4
Married11,8663.4972.327.7
Non Family6,2131.4545.854.2
Female2,5683.5557.342.7
Male1,3893.6649.950.1
showing: 5 rows

3.4

Average Family Size

2.93

Average Household Size

61.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

South San Francisco Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

South San Francisco Educational Attainment by Sex (over 25)

South San Francisco Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 93.9%.

The highest rate of bachelors degrees is among asian people with a rate of 53.83%.

South San Francisco Educational Attainment by Race

All

Male

Female

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$64,205

Average Earnings

$66,740

Average Male

$59,719

Average Female

South San Francisco Earnings by Educational Attainment

South San Francisco Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

South San Francisco Language

48.14% of South San Francisco residents speak only English, while 51.86% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 26.33% of the population.

South San Francisco Language

South San Francisco Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Hispanic19,0572,08310.93%
White14,2401,0277.21%
Other8,7271,00011.46%
Asian28,4309413.31%
Multiple7,11489612.59%
Black1,24317614.16%
Islander5137314.23%
showing: 7 rows

6.76%

Overall Poverty Rate

4.9%

Male Poverty Rate

8.62%

Female Poverty Rate

Poverty in South San Francisco

The race most likely to be in poverty in South San Francisco is Islander, with 14.23% below the poverty level.

The race least likely to be in poverty in South San Francisco is Asian, with 3.31% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.17%. Among those working part-time, it was 9.77%, and for those that did not work, the poverty rate was 13.5%.

South San Francisco Poverty

rate

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Rate
Poverty
Less Than 9th Grade15.89%
High School8.04%
Some College6.85%
Bachelors or Greater2.42%
showing: 4 rows

South San Francisco Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed22.38%
Male Unemployed12.29%
Female Employed4.1%
Male Employed2.09%
showing: 4 rows

South San Francisco Poverty Rate by Employment Status and Sex

South San Francisco Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

South San Francisco Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.1%

Overall Marriage Rate

51.1%

Male Marriage Rate

49.1%

Female Marriage Rate

South San Francisco Married by Age and Sex

male

female

South San Francisco Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

South San Francisco Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

South San Francisco Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,768

Number of Veterans

1,686

Male Veterans

82

Female Veterans

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South San Francisco Veterans by War

count

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South San Francisco Veterans by Age

count

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South San Francisco Veterans by Race

South San Francisco Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.22%

Veteran Poverty Rate

24.55%

Veteran Disability Rate

South San Francisco Veterans by Education

LaborForceParticipation

67.2%

Labor Force Participation

65.5%

Employment Rate

2.4%

Unemployment Rate

South San Francisco Employment by Age

LaborForceParticipation

South San Francisco Employment by Race

LaborForceParticipation

South San Francisco Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

50.4%

Born in South San Francisco

61.1%

Native Born

38.9%

Foreign Born

11.15%

Non Citizen

27.76%

Naturalized

Place of Birth

61.1% of South San Francisco residents were born in the United States, with 50.4% having been born in California. 11.15% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

South San Francisco Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202957,345-877-1.51%
202858,222-877-1.48%
202759,099-877-1.46%
202659,976-877-1.44%
202560,853-877-1.42%
202461,730-877-1.4%
202362,607-877-1.38%
202263,484-877-1.36%
202164,361-1,763-2.67%
202066,124-685-1.03%
201966,809-22-0.03%
201866,831-180-0.27%
201767,011-136-0.2%
201667,147190.03%
201567,1284770.72%
201466,6515190.78%
201366,1328391.28%
201265,2931,0171.58%
201164,2766020.95%
201063,6743,1225.16%
200060,5526,24011.49%
199054,3124,9199.96%
198049,3932,7475.89%
197046,6467,22818.34%
196039,41820,067103.7%
195019,35112,722191.91%
19406,6294367.04%
19306,1931,78240.4%
19204,4112,422121.77%
19101,989
showing: 30 rows

South San Francisco Population by Year