Census place 0673262

South San Francisco

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: South San Francisco city

Relocation snapshot

What stands out in South San Francisco.

According to the 2025 estimate, South San Francisco has a population of 64,941 and 7,056 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 376 covered California places are: population density is 7,056/sq mi, above the comparison median of 3,894/sq mi; median home value is $1,188,800, above the comparison median of $717,000; and median household income is $136,578, above the comparison median of $98,132. These unweighted medians compare covered Census places and are not statewide estimates.

population density
7,056/sq mi
Above the comparison median of 3,894/sq mi
median home value
$1,188,800
Above the comparison median of $717,000
median household income
$136,578
Above the comparison median of $98,132

National context

Follow the metrics.

Compare South San Francisco's values with other covered Census places. Rankings are descriptive, not recommendations.

At a glance

A city in numbers.

Population
64,941
2025 estimate
Annual change
+0.7%
Population estimate
Density
7,056/sq mi
9.2 sq mi land area
Median age
43.2 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$136,578
Median home value
$1,188,800
Median gross rent
$2,802
Bachelor’s degree or higher
40.8%
Typical commute
25.6 min
Drive-alone commute
61.4%
Public transit commute
5.5%
Walked to work
1.9%

Housing

Who rents, and what it takes.

Renter share and rent burden help describe the housing choices visible in this place.

Renter-occupied homes
41%
Renters paying 30%+ of income
51.7%

Work

How the workday lands.

Employment status and working-from-home share add context to income and commuting patterns.

Employed residents 16+
65.1%
Unemployed residents 16+
1.9%
Working from home
17.4%

Community

The everyday infrastructure.

Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.

Households with broadband
95.6%
Homes built 2020+
2.1%
Households without a vehicle
7.5%
Households with children
28.8%
Residents with a disability
10.8%
Residents without insurance
3.1%

Environmental context

A record of declared events.

FEMA declarations for San Mateo County provide historical context, not a forecast or a property-level risk assessment.

Environmental declarations since 2000
12
Flood declarations
5
Fire declarations
3
Severe Storm declarations
3

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: SAN FRANCISCO INTL AP (3 mi from place center)
Average high
66.9°F
Average low
50.6°F
Annual rainfall
19.6"
Annual snowfall
0"

Month by month

A year in South San Francisco.

Typical high and low °F
40°F50°F60°F70°F80°F
JFMAMJJASOND
Typical precipitation inches

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

Alameda, CA

Population, housing, work, and travel data for this Census place.

Population
76,876
Median home
$1,235,700

Santa Cruz, CA

Population, housing, work, and travel data for this Census place.

Population
61,797
Median home
$1,209,000

San Bruno, CA

Population, housing, work, and travel data for this Census place.

Population
42,305
Median home
$1,207,500

Keep exploring

Compare South San Francisco with Alameda