Skip to main content
Population Review

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.

Explore Further

Related Questions

Frequently Asked Questions

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.