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San Francisco County, CA
1 city or town and 28 ZIP codes in San Francisco County, California.
Population
830,235
Land area
47sq mi
People per sq mi
17,784
ZIP codes
28
Cities and towns in San Francisco County
San Francisco County at a glance
- San Francisco County is about 71 times as dense as California as a whole.
- The median household income is $140,970, 42% above the California median of $99,122.
- A typical owner-occupied home is valued at $1,394,500 (90% above California) and median rent is $2,476 a month.
Local data for San Francisco County, CA
Counts from official public data
- Hospitals11
- Emergency Rooms8
- Nursing Homes18
- Schools221
- Colleges17
- Libraries29
- Banks198
- Post Offices36
- Parks522
- Grocery Stores392
- Restaurants5,601
- Affordable Housing112
- Home Health Agencies7
- Hospice Care7
- Dialysis Centers11
- Rehab & Long-Term Care Hospitals3
- Community Health Centers82
- Mental Health & Addiction Treatment44
- National Cemeteries1
- Private Schools89
- Community Colleges & Trade Schools6
- Superfund Sites1
- Toxic Release Facilities1
- Historic Places154
Housing and community stats
San Francisco County, CA, American Community Survey 2020-2024
Median household income
$140,970
Poverty rate
11.2%
Median home value
$1,394,500
Prices +0.5% in a year
Median rent
$2,476/mo
Homeownership
38.2%
Bachelor's or higher
60.3%
Median age
40.0
Average commute
30.4 min
Largest reported origins and ancestries: Chinese Americans (170,750), Mexican Americans (65,825), Irish Americans (63,331).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
4.2%
Aug 2026, -0.3 pts in a year
Average annual pay
$196,352
696,891 jobs, 2025
Income per person
$171,497
BEA, 2024
Federal spending
$7.08B
FY 2026, $8,099 per person
PPP loans
$4.79B
42,707 loans, 404,831 jobs reported
Campaign donations
$107M
Itemized, 2026 cycle
How people get to work
San Francisco County, CA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone28.6%
- Carpooled5.9%
- Public transit18.7%
- Walked9.4%
- Bicycle3.3%
- Taxi, ride-hailing, motorcycle or other3.1%
- Worked from home31.0%
Average one-way commute: 30.4 minutes for people who do not work from home.
Environment and hazard risk
San Francisco County, CA, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: earthquake
Storm events since 1996
306
Most often flood
Flood insurance policies
204
0.1% of homes, county
July high / Jan low
66° / 47°F
22.9 inches of rain a year
Hazards, floods and storm historyCheck a flood zone154 historic places
Health statistics
Share of adults in San Francisco County, CA, CDC PLACES estimates
Obesity
17.2%
U.S. 33.3% -16.1 pts
Diabetes
10.2%
U.S. 12.1% -1.9 pts
Smoking
8.8%
U.S. 12.8% -4.0 pts
Uninsured (18-64)
6.3%
U.S. 11.1% -4.8 pts
Cities, towns and ZIP codes in San Francisco County
Population shown
Frequently asked questions
- What is the largest city in San Francisco County, CA?
- San Francisco is the largest city or town in San Francisco County, with about 830,235 residents.
- How many ZIP codes are in San Francisco County?
- San Francisco County includes 28 ZIP Code Tabulation Areas, including 94102, 94103, 94104, 94105, 94107.
- What is the population of San Francisco County, CA?
- About 830,235 people live in San Francisco County, based on American Community Survey 5-year estimates.
- What counties border San Francisco County?
- San Francisco County borders Alameda County, San Mateo County, Marin County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023