Sonoma County is the largest wine producer in California’s Wine Country and has over 250 wineries. Over seven million tourists a year visit the county. Sonoma County's county seat is Santa Rosa. Sonoma County has a population of 505,000. Median household income is about $74,000, and the median home value is $623,000.
Inhabited by Native Americans from seven to ten thousand years ago, it was next settled briefly by Russians in the early nineteenth century. It also contains the nineteenth century Mission San Francisco Solano, built in 1823. Jack London State Historic Park contains his gravesite.