Bakersfield is a large city in the state of California, in the United States. It the county seat of Kern County, in the southern part of the Central Valley. In the 2010 census, 347,483 people lived there. Bakersfield is the 11th largest city in California, the 3rd largest inland city in California, and the 57th largest in the United States. It is also the 2nd largest in the United States that is not directly connected to an interstate. Agriculture, petroleum processing, and manufacturing are the main economy of the city.