Milpitas is a city in Santa Clara County, California, in Silicon Valley. The population was estimated to be 84,169 in 2019 by the US Census. The city's origins lie in the Rancho Milpitas, granted to Californio ranchero José María Alviso in 1835. Milpitas incorporated in 1954 and has since become home to numerous high tech companies, as part of Silicon Valley.
