What is the population of Placer County, CA?
Placer County in California has a population of 412,435, per Census ACS 5-Year estimates. The median household income is $114,678 and the median age is 42.4.
Context
Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Placer County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.
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Placer County in California has a population of 412,435, per Census ACS 5-Year estimates. The median household income is $114,678 and the median age is 42.4.