City of Palo Alto | 9,252 followers on LinkedIn. Known as the "birthplace"​ of Silicon Valley, Palo Alto is home to 69,700 residents and nearly 100,000 jobs. | Palo Alto is known as the “Birthplace of Silicon Valley” and global center of technology and innovation. Many world-class businesses maintained or started offices here, including Amazon, Tesla, Hewlett Packard, Palo Alto Medical Foundation, Rivian, Lucile Packard Children’s Hospital, SAP Ariba, Houzz, Varian Medical Systems, and VMware. Numerous start-ups are also at home in Palo Alto, arguably making it the startup capital of the world.