Population

64,941

US Census estimate, July 2025

Median home value

$1,188,800

Owner-occupied units

South San Francisco, CA

California · 37.655° N, 122.376° W · 9 sq mi

South San Francisco is a city in California, with a population of 64,941 and about 7,056 residents per square mile. The median household earns $136,578 a year, and the median home is worth $1,188,800.

Conditions

Humidity & wind

—

UV index

—

Sunrise & sunset

—

Local time

—

Size & density

Land area

9 sq mi

Water excluded

Population density

7,056

People per square mile

Rank by population

#658

Of cities on this site

Rank by area

#825

Of cities on this site

Money & housing

Median household income

$136,578

US median ≈ $78,538

Median gross rent

$2,802

Per month

Homeownership

59%

US ≈ 65%

Average commute

25.6 min

One way

People

Median age

43.2

US median 39.1

Bachelor's degree +

40.8%

Age 25 and over

Foreign born

40.2%

Households

21,838

2.9 people each

What people here do for work

Education & health care 23^%

Professional & business services 17.7^%

Retail trade 11.5^%

Arts, food & hospitality 8.8^%

Top four industries · share of all workers · ACS 2024

Wealthiest person in California

Name

Mark Zuckerberg

Forbes, Apr 2025

Net worth

$189B

As of 25 Apr 2025 — not live

Lives in

Palo Alto

Source of wealth

Largest employer in California · private sector

Employer

University of California

Sector

Education

Compiled from public reporting, not from an official dataset, and not independently verified. Government employers are excluded.

Largest public company in California

Company

Apple

Revenue

$391.0B

Fiscal year 2024

Headquarters

Cupertino

Ticker

AAPL

Compiled from public reporting, not from an official dataset, and not independently verified.

Forgotten Flicks movie T-shirts on TeePublic

State of California

State bird

California Quail

State flower

California Poppy

State capital

Sacramento

Nickname

The Golden State

Compare South San Francisco with

South San Francisco vs San MateoSide by side
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South San Francisco vs Los AngelesSide by side
South San Francisco vs San DiegoSide by side

Cities near South San Francisco

Daly City, CA6 mi · 101,261
San Mateo, CA7 mi · 103,337
Alameda, CA9 mi · 76,876
Oakland, CA11 mi · 440,838
San Leandro, CA12 mi · 85,353
Redwood City, CA13 mi · 82,178
Hayward, CA15 mi · 157,113
Berkeley, CA15 mi · 121,911