South San Francisco, California Population 2020

67,585

South San Francisco is a city located in California. With a 2020 population of 67,585, it is the 133rd largest city in California and the 555th largest city in the United States. South San Francisco is currently declining at a rate of -0.11% annually but its population has increased by 6.21% since the most recent census, which recorded a population of 63,632 in 2010. South San Francisco reached it's highest population of 67,733 in 2018. Spanning over 30 miles, South San Francisco has a population density of 7,326 people per square mile.

The average household income in South San Francisco is $120,721 with a poverty rate of 7.52%. The median rental costs in recent years comes to $1,888 per month, and the median house value is $784,800. The median age in South San Francisco is 40 years, 38.8 years for males, and 41 years for females. For every 100 females there are 96.3 males.

South San Francisco Demographics

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

  • Asian: 39.81%
  • White: 34.83%
  • Other race: 16.10%
  • Two or more races: 6.12%
  • Black or African American: 1.86%
  • Native Hawaiian or Pacific Islander: 1.05%
  • Native American: 0.23%
The current population of South San Francisco, California is 67,585, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 67,733.The last official US Census in 2010 recorded the population at 63,632.

South San Francisco, California Population 2020

Population by Race

Race Population Percentage
Asian26,79239.81%
White23,43634.83%
Some Other Race10,83316.10%
Two or More Races4,1196.12%
Black or African American1,2541.86%
Native Hawaiian and Other Pacific Islander7061.05%
American Indian and Alaska Native1540.23%

South San Francisco Population Pyramid 2020

South San Francisco Median Age

40


Total

38.8


Male

41


Female

South San Francisco Adults

There are 54,534 adults, (10,962 of whom are seniors) in South San Francisco.

South San Francisco Age Dependency

54.4

Age Dependency Ratio

25.2

Old Age Dependency Ratio

29.3

Child Dependency Ratio

South San Francisco Sex Ratio

Female

34,289

50.95%

Male

33,005

49.05%

South San Francisco Households and Families

South San Francisco Renter vs Owner Occupied by Household Type

South San Francisco Household Types

Type Owner Renter
Married71.9%28.1%
All61.1%38.9%
Female53.2%46.8%
Male46.7%53.3%
Non Family44.7%55.3%

61.1%

Rate of Home Ownership

Type Count Average Size Owned
All21,0833.1661.1
Married11,7873.771.9
Non Family5,2161.5744.7
Female2,7783.7753.2
Male1,3023.2746.7

3.54

Average Family Size

3.16

Average Household Size

4.4%

Unmarried (Opposite Sex)

0.7%

Unmarried (Same Sex)

South San Francisco Education

Education Attained Count Percentage
Less Than 9th Grade4,0328.22%
9th to 12th Grade3,1266.37%
High School Graduate10,18920.77%
Some College10,63821.68%
Associates Degree4,0468.25%
Bachelors Degree12,92926.35%
Graduate Degree4,1078.37%

South San Francisco Educational Attainment by Race

Name Total High School Bachelors
Asian20,37118,30410,378
Hispanic14,09810,1642,217
White11,55910,7433,560
Other Race6,8944,809979
Multiple Races2,4332,260570
Black964857311
Islander567382100
Native American15312852

The highest rate of high school graduation is among white people with a rate of 92.94%.

The highest rate of bachelors degrees is among asian people with a rate of 50.94%.

Name Average Male Female
Overall$49,207$52,362$45,599
Less Than High School$31,149$34,155$25,340
High School Grad$34,507$39,171$28,114
Some College$45,568$47,199$44,246
Bachelors Degree$64,852$73,682$60,060
Graduate Degree$103,143$113,910$96,417

$49,207

Average Earnings

$52,362

Average Male

$45,599

Average Female

South San Francisco Language

South San Francisco Language by Age

South San Francisco Language

43.13% of South San Francisco residents speak only English, while 56.87% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 25.79% of the population.

South San Francisco Poverty

South San Francisco Poverty by Race

Name Total In Poverty Poverty Rate
Hispanic22,3542,38610.67%
Other10,5611,33512.64%
Asian26,7741,2064.50%
White13,5301,1498.49%
Multiple4,0553769.27%
Black1,22919315.70%
Native1534227.45%
Islander706172.41%

7.52%

Overall Poverty Rate

6.96%

Male Poverty Rate

8.05%

Female Poverty Rate

Poverty in South San Francisco

The race most likely to be in poverty in South San Francisco is Native, with 27.45% below the poverty level.

The race least likely to be in poverty in South San Francisco is Islander, with 2.41% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.56%. Among those working part-time, it was 8.28%, and for those that did not work, the poverty rate was 14.15%.

Name Poverty
Less Than High School15.57%
High School9.73%
Some College4.84%
Bachelors or Greater3.82%
Name Poverty
Female Unemployed29.11%
Male Unemployed24.32%
Male Employed3.23%
Female Employed3.05%

South San Francisco Income

South San Francisco Income by Household Type

Name Median Mean
Households$96,930$120,721
Families$105,637$129,991
Married Families$124,136-
Non Families$60,095$82,320

South San Francisco Marital Status

South San Francisco Marital Status

Marriage Rates

50.2%

Overall Marriage Rate

51.1%

Male Marriage Rate

49.4%

Female Marriage Rate

South San Francisco Married by Age and Sex

South San Francisco Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

South San Francisco Marital Status by Race

South San Francisco Veterans

2,244

Number of Veterans

2,114

Male Veterans

130

Female Veterans

War Veterans
Vietnam762
First Gulf War330
Second Gulf War288
Korea274
World War II139
Age Group Veterans
75+744
65 to 74563
35 to 54456
55 to 64376
18 to 34105
Name Veterans % of Total
White1,5317.70%
Hispanic5413.30%
Asian3851.73%
Black14613.01%
Other961.25%
2 or More692.52%
Indian1711.11%

$South San Francisco Veterans by Education

2.41%

Veteran Poverty Rate

27.72%

Veteran Disability Rate

South San Francisco Employment Status

68%

Labor Force Participation

65.8%

Employment Rate

3.1%

Unemployment Rate

South San Francisco Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

51.48%

Born in California

60.07%

Native Born

39.93%

Foreign Born

11.85%

Non Citizen

Place of Birth

60.07% of South San Francisco residents were born in the United States, with 51.48% having been born in California. 11.85% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Year Population Growth Annual Growth Rate
202067,585-74-0.11%
201967,659-74-0.11%
201867,7335210.78%
201767,212-74-0.11%
201667,286-11-0.02%
201567,2974020.60%
201466,8955870.89%
201366,3086691.02%
201265,6391,1471.78%
201164,4927521.18%
201063,7403,1880.51%
200060,5526,2401.09%
199054,3124,9190.95%
198049,3932,7470.57%
197046,6467,2281.70%
196039,41820,0677.37%
195019,35112,72211.31%
19406,6294360.68%
19306,1931,7823.45%
19204,4112,4228.29%
19101,9890.00%