San Francisco is the 17th largest city on this site, with a population of 826,079 and about 17,695 residents per square mile. The median household earns $140,970 a year, and the median home is worth $1,394,500.
Conditions
Humidity & wind
—
UV index
—
Sunrise & sunset
—
Local time
—
Size & density
Land area
47 sq mi
Water excluded
Population density
17,695
People per square mile
Rank by population
#17
Of cities on this site
Rank by area
#261
Of cities on this site
Money & housing
Median household income
$140,970
US median ≈ $78,538
Median gross rent
$2,476
Per month
Homeownership
38.2%
US ≈ 65%
Average commute
30.4 min
One way
People
Median age
40
US median 39.1
Bachelor's degree +
60.3%
Age 25 and over
Foreign born
34%
Households
363,970
2.21 people each
Climate · 2021–2025 average
Clear days55/yrMostly or fully clear sky
Days with rain86/yr0.01 in or more
Days with snow0/yr
Days above 90°0/yr
Below freezing0/yr
Annual rainfall21.2inInches per year, scaled to 70 in — the rows above count days
Warmest month
September
Average high 60°F
Coldest month
April
Average low 50°F
What people here do for work
Professional & business services26.7%
Education & health care20.3%
Finance, insurance & real estate8.6%
Arts, food & hospitality8.2%
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
Meta
Compiled from public reporting, not from an official dataset, and not independently verified.
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.