Town guide
South San Francisco
California · CA
About South San Francisco
City in California, United States1908Established
66,105Population
30.2 sq miArea
16 ftElevation
South San Francisco is a city in San Mateo County, California, United States, on the San Francisco Peninsula in the San Francisco Bay Area. The city is colloquially termed "South City". The population was 66,105 as of the 2020 census, and was estimated at 64,941 in 2025.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Coming up
Upcoming events
Nothing on the calendar yet
Add an event →Put the next local happening — a market, a meeting, a concert — on the map.
From your neighbors
What’s happening
Be the first to post in South San Francisco — introduce yourself, ask a question, or share what’s happening.
Around town
All news →Local news
Loading local headlines…
Headlines via Google News · Articles belong to their publishers.
The basics
Open the full guide →
Trash dayAdd ＋
Recycling dayAdd ＋
Town hall hoursAdd ＋
School districtAdd ＋
Non-emergency policeAdd ＋
ZIP code94080, 94083