What is the population of San Diego County, CA?
San Diego County in California has a population of 3,282,782, per Census ACS 5-Year estimates. The median household income is $102,285 and the median age is 37.1.
Context
Counties are the primary administrative subdivisions of states and a stable unit for tracking population. San Diego County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.
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San Diego County in California has a population of 3,282,782, per Census ACS 5-Year estimates. The median household income is $102,285 and the median age is 37.1.