In 2023, Santa Clara County, CA had a population of 1.9M people with a median age of 37.9 and a median household income of $159,674. Between 2022 and 2023 the population of Santa Clara County, CA declined from 1.92M to 1.9M, a −0.706% decrease and its median household income grew from $153,792 to $159,674, a 3.82% increase.
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None of the households in Santa Clara County, CA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
80.7% of the residents in Santa Clara County, CA are U.S. citizens.
Santa Clara County, CA borders Alameda County, CA, Merced County, CA, San Benito County, CA, San Mateo County, CA, Santa Cruz County, CA, and Stanislaus County, CA.