https://www.siliconvalley.com/2021/06/23/silicon-valley-pain-index-tech-wealth-grows-as-black-household-income-falls/ > SAN JOSE – Since 2020, the top 10 Silicon Valley moguls have more than doubled their net worth to $571 billion while the average per capita income among Latinx residents in the valley increased by 5.4% to $30,618, according to the second annual Silicon Valley Pain Index released Tuesday. > At the same time, the average income of Black residents declined by 1 percent to $40,381.