what part of california is santa rosa in
Santa Rosa, California Santa Rosa is a city in and the county seat of Sonoma County, California, United States.[10] Its estimated 2014 population was 174,170.[11] Santa Rosa is the largest city in California's Redwood Empire, Wine Country and the North Bay; the fifth most populous city in the San Francisco Bay Area after San Jose, San Francisco, Oakland, and Fremont; and the 28th most populous city in California.
San Francisco San Francisco (initials SF[17]) (/ˌsæn frənˈsɪskoʊ/, Spanish for Saint Francis; Spanish: [san franˈsisko]), officially the City and County of San Francisco, is the cultural, commercial, and financial center of Northern California. The consolidated city-county covers an area of about 47.9 square miles (124 km2),[18] mostly at the north end of the San Francisco Peninsula in the San Francisco Bay Area. It is the fourth-most populous city in California, and the 13th-most populous in the United States, with a 2016 census-estimated population of 870,887.[13] The population is projected to reach 1 million by 2033.[19] As of 2016, San Francisco County was the 7th highest-income county in the United States, with a per capita personal income of $110,418.[20]