The Coyote Hills Shell Mound, the earliest known archaeological evidence of human habitation of the Bay Area estuaries, dates to around 10,000 BCE, with evidence pointing to even earlier … 展开

According to the 2010 United States Census, the population of the nine-county Bay Area was 7.15 million, with 49.6% male and 50.4% female. … 展开

The Bay Area is the most expensive location to live in the United States outside of Manhattan. Strong economic growth has created hundreds of thousands of new jobs, but coupled with … 展开

Colleges and universities
The Bay Area is home to a large number of colleges and universities. The first institution of higher … 展开

Boundaries
The borders of the San Francisco Bay Area are not officially delineated, and the unique development … 展开

The three principal cities of the Bay Area represent separate employment clusters and are dominated by different but commingled industries. San Francisco is home to the region's 展开

Transportation in the San Francisco Bay Area is reliant on a complex multimodal infrastructure consisting of roads, bridges, highways, rail, tunnels, airports, ferries, and bike and pedestrian paths. The development, maintenance, and operation of these different modes … 展开