Silicon Valley by Numbers

CALIFORNIA’s Silicon Valley, the 50-mile stretch between San Francisco and San Jose, is perhaps the most productive and innovative land mass in the world.


The Economist has identified 99 listed technology companies with market values of over $1 billion that call the Valley home.

Together, these 99 companies are worth some $2.8 trillion (an increase of 75% over the past 30 months), and account for around 6% of all corporate America’s corporate profits.
Source: Silicon Valley’s fortunes: What a PErformance, Economist


  • 51 new tech companies launched every month in the San Francisco Bay area.
  • The were  15,931  self-identified Silicon Valley “angel investors” in 2014

  • $118,949 Average salary for a Google software engineer, according to
  • $37,800 Average salary that San Francisco bay area–based startup founders pay themselve

  • +62% change in the price of San Francisco office space since 2009

  • $1,050 / Month – Median rent for a one-bedroom apartment in San Francisco in 2004
    $3,150 / Month Median – in 2014,
    Source: One Startup’s Struggle to Survive the Silicon Valley Gold Rush, by Gideon Lewis-Kraus. Wired.

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